Условие:

Вычисли.
(19 + 2) : 3
(5 * 2) + 46
(15 : 3) * 2
(18 : 2) − 9
(96 − 87) * 2
(3 * 4) : 2

(19 + 2) : 3 = 7
(5 * 2) + 46 = 56
(15 : 3) * 2 = 10
(18 : 2) − 9 = 0
(96 − 87) * 2 = 18
(3 * 4) : 2 = 6
Вычисления:
(19 + 2) : 3 = 21 : 3 = 7
(5 * 2) + 46 = 10 + 46 = 56
$\begin{array}{r}\begin{array}{r}+\end{array}\underline{\begin{array}{r}10\\ 46\end{array}}\\ \begin{array}{r}56\end{array}\end{array}$
(15 : 3) * 2 = 5 * 2 = 10
(18 : 2) − 9 = 9 − 9 = 0
(96 − 87) * 2 = 9 * 2 = 18
(3 * 4) : 2 = 12 : 2 = 6