Phiếu rèn kĩ năng tính toán Toán lớp 4 Phép trừ phân số có đáp án

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\(\begin{array}{*{20}{c}}7\\\hline8\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

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\(\begin{array}{*{20}{c}}{11}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{12}\end{array}\)

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\(\begin{array}{*{20}{c}}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{16}\end{array}\)

\(\begin{array}{*{20}{c}}{17}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{24}\end{array}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline3\end{array}\)

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\[\begin{array}{*{20}{c}}{35}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{24}\end{array}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{25}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{47}\\\hline{50}\end{array}\)

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\(\begin{array}{*{20}{c}}{41}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{30}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{45}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{35}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{70}\end{array}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{26}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{19}\\\hline{39}\end{array}\]

\(\begin{array}{*{20}{c}}{71}\\\hline{82}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{41}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{65}\\\hline{82}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{20}\\\hline{49}\end{array}\)

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\(\begin{array}{*{20}{c}}{51}\\\hline{106}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{53}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{47}\\\hline{106}\end{array}\)

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\(\begin{array}{*{20}{c}}{37}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{33}\\\hline{28}\end{array}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{32}\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline9\end{array}\)

\[\begin{array}{*{20}{c}}{47}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\]

\(\begin{array}{*{20}{c}}{56}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{45}\end{array}\)

\[\begin{array}{*{20}{c}}{25}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{19}\\\hline{42}\end{array}\]

\(\begin{array}{*{20}{c}}{61}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{27}\end{array}\)

\(\begin{array}{*{20}{c}}{64}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{50}\\\hline{49}\end{array}\)

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\(\begin{array}{*{20}{c}}{23}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{30}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{36}\end{array}\)

\[\begin{array}{*{20}{c}}{61}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{24}\end{array}\]

\[\begin{array}{*{20}{c}}{20}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{33}\end{array}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{20}\\\hline{63}\end{array}\)

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\(\begin{array}{*{20}{c}}8\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}\)

\[\begin{array}{*{20}{c}}3\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{85}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{85}\end{array}\]

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\(\begin{array}{*{20}{c}}{50}\\\hline{63}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{32}\\\hline{63}\end{array}\)

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\(\begin{array}{*{20}{c}}{13}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{120}\end{array}\)

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\(\begin{array}{*{20}{c}}{23}\\\hline4\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline2\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline4\end{array}\)

\(\begin{array}{*{20}{c}}{46}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{18}\\\hline{49}\end{array}\)

\(\begin{array}{*{20}{c}}{45}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{39}\\\hline{22}\end{array}\)

\(\begin{array}{*{20}{c}}{33}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{23}\\\hline{95}\end{array}\)

\[\begin{array}{*{20}{c}}{46}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{17}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{85}\end{array}\]

\[\begin{array}{*{20}{c}}{43}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline2\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline5\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{16}\end{array}\)

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\(\begin{array}{*{20}{c}}{29}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline6\end{array}\)

\(\begin{array}{*{20}{c}}{37}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline2\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{16}\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{10}\end{array}\)

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\[\begin{array}{*{20}{c}}{49}\\\hline{126}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{42}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{63}\end{array}\]

\(\begin{array}{*{20}{c}}{45}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{21}\\\hline{64}\end{array}\)

\(\begin{array}{*{20}{c}}{37}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{16}\\\hline9\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{39}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{13}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{39}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{27}\end{array}\)

\[\begin{array}{*{20}{c}}{13}\\\hline9\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline9\end{array}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}{41}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}8\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{20}\end{array}\)

\[\begin{array}{*{20}{c}}{49}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline3\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{27}\end{array}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{64}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{32}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{64}\end{array}\)

\(\begin{array}{*{20}{c}}{67}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{20}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{23}\\\hline{30}\end{array}\)

\[\begin{array}{*{20}{c}}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{16}\end{array}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline5\end{array}\)

\[\begin{array}{*{20}{c}}{33}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{84}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{187}\\\hline{84}\end{array}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{35}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{70}\end{array}\)

\[\begin{array}{*{20}{c}}{31}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{32}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{24}\end{array}\]

\(\begin{array}{*{20}{c}}{25}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline4\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{33}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline4\end{array}\]

\(\begin{array}{*{20}{c}}{23}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{22}\\\hline{75}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{47}\\\hline{75}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{96}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{37}\\\hline{96}\end{array}\]

\(\begin{array}{*{20}{c}}{37}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{44}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{88}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}{45}\\\hline{49}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{49}\end{array}\)

\[\begin{array}{*{20}{c}}{43}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline4\end{array}\]

\(\begin{array}{*{20}{c}}3\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{72}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{72}\end{array}\)

\(\begin{array}{*{20}{c}}{89}\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{35}\end{array}\)

\(\begin{array}{*{20}{c}}{48}\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{18}\\\hline{25}\end{array}\)

\[\begin{array}{*{20}{c}}{23}\\\hline{77}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{77}\end{array}\]

\(\begin{array}{*{20}{c}}{29}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{32}\end{array}\)

\(\begin{array}{*{20}{c}}{33}\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{40}\end{array}\)

\(\begin{array}{*{20}{c}}{39}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{28}\end{array}\)

\[\begin{array}{*{20}{c}}{41}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{24}\end{array}\]

\(\begin{array}{*{20}{c}}{37}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline9\end{array}\)

\(\begin{array}{*{20}{c}}{33}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline5\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{50}\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{135}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{16}\\\hline{45}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{135}\end{array}\)

\[\begin{array}{*{20}{c}}{43}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{37}\\\hline{36}\end{array}\]

\(\begin{array}{*{20}{c}}{47}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{28}\end{array}\)

\(\begin{array}{*{20}{c}}{23}\\\hline{144}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{48}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{36}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\[\begin{array}{*{20}{c}}{19}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{36}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{72}\end{array}\]

\(\begin{array}{*{20}{c}}{29}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}\)

\(\begin{array}{*{20}{c}}{35}\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline9\end{array}\)

\(\begin{array}{*{20}{c}}{39}\\\hline{100}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{50}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{20}\end{array}\)

\[\begin{array}{*{20}{c}}{23}\\\hline{108}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{36}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{27}\end{array}\]

\(\begin{array}{*{20}{c}}{19}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{40}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}{45}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline7\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{28}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{31}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{93}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{93}\end{array}\)

\(\begin{array}{*{20}{c}}4\\\hline{15}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{150}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{150}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline{33}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{126}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{63}\end{array}\)

\[\begin{array}{*{20}{c}}{13}\\\hline{41}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{123}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{22}\\\hline{123}\end{array}\]

\[\begin{array}{*{20}{c}}7\\\hline{40}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{120}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{72}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{72}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{38}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{114}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{57}\end{array}\)

\[\begin{array}{*{20}{c}}{13}\\\hline{20}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{100}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{50}\end{array}\]

\(\begin{array}{*{20}{c}}7\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{17}\\\hline{132}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{46}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{138}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline{69}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{104}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{104}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{135}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{27}\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{126}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{16}\\\hline{63}\end{array}\]

\(\begin{array}{*{20}{c}}{25}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{61}\\\hline{33}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{23}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{115}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{44}\\\hline{115}\end{array}\)

\(\begin{array}{*{20}{c}}3\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{110}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{102}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{51}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{150}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{41}\\\hline{150}\end{array}\]

\(\begin{array}{*{20}{c}}9\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{47}\\\hline{143}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{27}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{108}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{36}\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{140}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{10}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{35}\\\hline{144}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{25}\\\hline{144}\end{array}\)

\(\begin{array}{*{20}{c}}{13}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{110}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{29}\\\hline{55}\end{array}\)

\[\begin{array}{*{20}{c}}3\\\hline{25}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{125}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{14}\\\hline{125}\end{array}\]

\(\begin{array}{*{20}{c}}{17}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{120}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{49}\\\hline{120}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{25}\\\hline{144}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{48}\end{array}\]

\[\begin{array}{*{20}{c}}{19}\\\hline{12}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{108}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{37}\\\hline{27}\end{array}\]

\[\begin{array}{*{20}{c}}1\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{112}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{112}\end{array}\]

\(\begin{array}{*{20}{c}}3\\\hline{35}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{140}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{140}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{19}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{133}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{36}\\\hline{133}\end{array}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{24}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{120}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}6\\\hline5\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{128}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{55}\\\hline{128}\end{array}\]

\(\begin{array}{*{20}{c}}{13}\\\hline{32}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{96}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{48}\end{array}\)

\(\begin{array}{*{20}{c}}5\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{130}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{65}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{112}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{67}\\\hline{112}\end{array}\)

\[\begin{array}{*{20}{c}}9\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{80}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{21}\\\hline{40}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{37}\\\hline{104}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{104}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{10}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{100}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{100}\end{array}\)

\(\begin{array}{*{20}{c}}7\\\hline{26}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{130}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{12}\\\hline{65}\end{array}\)

\[\begin{array}{*{20}{c}}{26}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{100}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{39}\\\hline{100}\end{array}\]

\(\begin{array}{*{20}{c}}{29}\\\hline{16}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{112}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{43}\\\hline{28}\end{array}\)

\(\begin{array}{*{20}{c}}{47}\\\hline{22}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{29}\\\hline{132}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{23}\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}{11}\\\hline{37}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{111}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{20}\\\hline{111}\end{array}\)

\[\begin{array}{*{20}{c}}5\\\hline{13}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{43}\\\hline{130}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{130}\end{array}\]

\(\begin{array}{*{20}{c}}{17}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{180}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{89}\\\hline{180}\end{array}\)

\(\begin{array}{*{20}{c}}1\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{108}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{108}\end{array}\)

\(\begin{array}{*{20}{c}}8\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{126}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{126}\end{array}\)

\[\begin{array}{*{20}{c}}7\\\hline{17}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{119}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{39}\\\hline{119}\end{array}\]

\(\begin{array}{*{20}{c}}5\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{90}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}{29}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{19}\\\hline{186}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{34}\\\hline{93}\end{array}\)

\[\begin{array}{*{20}{c}}2\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{11}\\\hline{147}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{49}\end{array}\]

\[\begin{array}{*{20}{c}}{15}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{170}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{85}\end{array}\]

\(\begin{array}{*{20}{c}}{43}\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{31}\\\hline{172}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{55}\\\hline{172}\end{array}\)

\(\begin{array}{*{20}{c}}{27}\\\hline{14}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{15}\\\hline{98}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{87}\\\hline{49}\end{array}\)

\(\begin{array}{*{20}{c}}{19}\\\hline{70}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{140}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{28}\end{array}\)

\[\begin{array}{*{20}{c}}{10}\\\hline{51}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{102}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{34}\end{array}\]

\(\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{54}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{148}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{148}\end{array}\)

\[\begin{array}{*{20}{c}}{21}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{32}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{16}\end{array}\]

\(\begin{array}{*{20}{c}}{31}\\\hline{33}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{48}\\\hline{99}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{75}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{25}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{25}\end{array}\)

\(\begin{array}{*{20}{c}}{32}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{34}\\\hline{90}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\)

\[\begin{array}{*{20}{c}}{39}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{27}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline9\end{array}\]

\[\begin{array}{*{20}{c}}{36}\\\hline{74}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{17}\\\hline{37}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{37}\end{array}\]

\(\begin{array}{*{20}{c}}{12}\\\hline{50}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{25}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline5\end{array}\)

\(\begin{array}{*{20}{c}}{20}\\\hline{58}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{29}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline{29}\end{array}\)

\[\begin{array}{*{20}{c}}{27}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{88}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{22}\end{array}\]

\(\begin{array}{*{20}{c}}{41}\\\hline{21}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{20}\\\hline{42}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{31}\\\hline{21}\end{array}\)

\(\begin{array}{*{20}{c}}{16}\\\hline{84}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{21}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}{30}\\\hline{28}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{31}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{46}\\\hline{84}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{21}\end{array}\]

\[\begin{array}{*{20}{c}}{33}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{30}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}\]

\(\begin{array}{*{20}{c}}{25}\\\hline{60}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}{38}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{36}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}{10}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{48}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}{44}\\\hline{56}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline7\end{array}\)

\[\begin{array}{*{20}{c}}{50}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{36}\end{array}\]

\(\begin{array}{*{20}{c}}{20}\\\hline{48}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\)

\(\begin{array}{*{20}{c}}{46}\\\hline{76}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{38}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{19}\end{array}\)

\[\begin{array}{*{20}{c}}{45}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{26}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{13}\end{array}\]

\(\begin{array}{*{20}{c}}6\\\hline{86}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{43}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{43}\end{array}\)

\(\begin{array}{*{20}{c}}{30}\\\hline{34}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{10}\\\hline{17}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{17}\end{array}\)

\[\begin{array}{*{20}{c}}{36}\\\hline{66}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{11}\end{array}\]

\(\begin{array}{*{20}{c}}{28}\\\hline{80}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}9\\\hline{40}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline8\end{array}\)

\[\begin{array}{*{20}{c}}{32}\\\hline{72}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline3\end{array}\]

\(\begin{array}{*{20}{c}}6\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{16}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{32}\end{array}\)

\[\begin{array}{*{20}{c}}{20}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{49}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline7\end{array}\]

\(\begin{array}{*{20}{c}}{34}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{34}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{17}\end{array}\)

\[\begin{array}{*{20}{c}}{45}\\\hline{90}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{18}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline9\end{array}\]

\(\begin{array}{*{20}{c}}{72}\\\hline{54}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline6\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline6\end{array}\)

\[\begin{array}{*{20}{c}}{30}\\\hline{78}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{26}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{26}\end{array}\]

\(\begin{array}{*{20}{c}}{60}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline8\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline2\end{array}\)

\(\begin{array}{*{20}{c}}9\\\hline{57}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{19}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}\)

\(\begin{array}{*{20}{c}}{28}\\\hline{62}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{31}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{11}\\\hline{31}\end{array}\)

\[\begin{array}{*{20}{c}}{28}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{24}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline4\end{array}\]

\(\begin{array}{*{20}{c}}{24}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{23}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{23}\end{array}\)

\(\begin{array}{*{20}{c}}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{17}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}5\\\hline{17}\end{array}\)

\(\begin{array}{*{20}{c}}{32}\\\hline{68}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{17}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}6\\\hline{17}\end{array}\)

\[\begin{array}{*{20}{c}}{33}\\\hline{42}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}5\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline7\end{array}\]

\(\begin{array}{*{20}{c}}{42}\\\hline{36}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{12}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{12}\end{array}\)

\(\begin{array}{*{20}{c}}{12}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{22}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{45}\\\hline{96}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{32}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline8\end{array}\)

\[\begin{array}{*{20}{c}}{45}\\\hline{95}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{19}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{19}\end{array}\]

\(\begin{array}{*{20}{c}}{50}\\\hline{118}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{23}\\\hline{59}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{59}\end{array}\)

\(\begin{array}{*{20}{c}}{28}\\\hline{133}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{19}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{19}\end{array}\)

\(\begin{array}{*{20}{c}}{42}\\\hline{93}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{31}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}{13}\\\hline{31}\end{array}\)

\[\begin{array}{*{20}{c}}{20}\\\hline{65}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{13}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}3\\\hline{13}\end{array}\]

\(\begin{array}{*{20}{c}}{56}\\\hline{88}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{11}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{11}\end{array}\)

\(\begin{array}{*{20}{c}}{49}\\\hline{98}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}3\\\hline{14}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline7\end{array}\)

\(\begin{array}{*{20}{c}}{27}\\\hline{45}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}8\\\hline{15}\end{array}\)

\[\begin{array}{*{20}{c}}{34}\\\hline{92}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}{13}\\\hline{46}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}2\\\hline{23}\end{array}\]

\(\begin{array}{*{20}{c}}{30}\\\hline{85}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{17}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}4\\\hline{17}\end{array}\)

\(\begin{array}{*{20}{c}}{16}\\\hline{81}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}1\\\hline9\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{81}\end{array}\)

\(\begin{array}{*{20}{c}}{46}\\\hline{30}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}2\\\hline{15}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline5\end{array}\)

\[\begin{array}{*{20}{c}}{44}\\\hline{52}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}4\\\hline{13}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}7\\\hline{13}\end{array}\]

\(\begin{array}{*{20}{c}}{36}\\\hline{120}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}7\\\hline{30}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}1\\\hline{15}\end{array}\)

\(\begin{array}{*{20}{c}}{39}\\\hline{44}\end{array}{\rm{ }} - {\rm{ }}\begin{array}{*{20}{c}}6\\\hline{88}\end{array}{\rm{  =  }}\begin{array}{*{20}{c}}9\\\hline{11}\end{array}\)