936 : 8 : 3 = 39 − верное равенство
1)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}936\\ \phantom{0}\underset{¯}{8}\\ \underset{¯}{\phantom{0}}13\\ \phantom{00}\underset{¯}{8}\\ \phantom{0}\underset{¯}{\phantom{0}}56\\ \phantom{00}\underset{¯}{56}\\ \phantom{000}0\end{array}& \begin{array}{l}\overline{)8}\\ \overline{\overline{)117}}\end{array}\end{array}$
2)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}117\\ \phantom{0}\underset{¯}{9}\\ \underset{¯}{\phantom{0}}27\\ \phantom{0}\underset{¯}{27}\\ \phantom{000}0\end{array}& \begin{array}{l}\overline{)3}\\ \overline{\overline{)39}}\end{array}\end{array}$
72 : 4 * 3 = 6 − неверное равенство
54 ≠ 6
Равенство будет верным: 72 : 4 * 3 = 54
1)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}72\\ \phantom{0}\underset{¯}{4}\\ \underset{¯}{\phantom{0}}32\\ \phantom{0}\underset{¯}{32}\\ \phantom{00}0\end{array}& \begin{array}{l}\overline{)4}\\ \overline{\overline{)18}}\end{array}\end{array}$
2)

400 : 2 * 5 = 40 − неверное равенство
1000 ≠ 40
Равенство будет верным: 400 : 2 * 5 = 1000
1)
$\begin{array}{cc}\begin{array}{l}\underset{¯}{\phantom{0}}400\\ \phantom{0}\underset{¯}{4}\\ \phantom{0}\underset{¯}{\phantom{0}}0\\ \phantom{00}\underset{¯}{0}\\ \phantom{00}\underset{¯}{\phantom{0}}0\\ \phantom{000}\underset{¯}{0}\\ \phantom{000}0\end{array}& \begin{array}{l}\overline{)2}\\ \overline{\overline{)200}}\end{array}\end{array}$
1)

400 : 100 * 10 = 40 − верное равенство

4 * 10 = 40
40 = 40