tính 342 - 170

30/30

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{342}\\{170}\end{array}} \\\,\,\,\,...\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{425}\\{\,\,\,60}\end{array}} \\\,\,\,\,...\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{671}\\{158}\end{array}} \\\,\,\,\,...\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{720}\\{318}\end{array}} \\\,\,\,\,...\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{573}\\{\,\,\,37}\end{array}} \\\,\,\,\,...\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{731}\\{108}\end{array}} \\\,\,\,\,...\end{array}\)

Nhập câu trả lời ở đây

0/3000 ký tự

Giải thích

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{342}\\{170}\end{array}} \\\,\,\,\,172\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{425}\\{\,\,\,60}\end{array}} \\\,\,\,\,365\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{671}\\{158}\end{array}} \\\,\,\,\,513\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{720}\\{318}\end{array}} \\\,\,\,\,402\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{573}\\{\,\,\,37}\end{array}} \\\,\,\,\,536\end{array}\)

\(\begin{array}{l}\underline { - \begin{array}{*{20}{c}}{731}\\{108}\end{array}} \\\,\,\,\,623\end{array}\)