(22 + 14) : 4 = 8 − неверно
(87 − 42) : 5 = 9 − верно
24 : 4 : 3 = 2 − верно
Вычисления:
(22 + 14) : 4 = 36 : 4 = 9
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}22\\ 14\end{array}}\\ \begin{array}{r}36\end{array}\end{array}$
(87 − 42) : 5 = 45 : 5 = 9
$\begin{array}{r}\begin{array}{r}-\end{array}\underline{\begin{array}{r}87\\ 42\end{array}}\\ \begin{array}{r}45\end{array}\end{array}$
24 : 4 : 3 = 6 : 3 = 2