ГДЗ по математике 3 класс Волкова проверочные работы Умножение и деление Проверочная работа 2. Вариант 1

\[\boxed{\mathbf{Вариант\ 1.}}\]

\[\boxed{\mathbf{1.}}\]

\[(18 + 6)\ :6 = 3 + 1 = 4\]

\[(12 + 27)\ :3 = 4 + 9 = 13\]

\[(16 + 24)\ :8 = 2 + 3 = 5\]

\[(20 + 28)\ :8 = 48\ :8 = 6\]

\[(15 + 15)\ :6 = 30\ :6 = 5\]

\[(21 + 31)\ :4 = 52\ :4 = 13\]

\[\boxed{\mathbf{2.}}\]

\[1)\ 57\ :3 = (30 + 27)\ :3 =\]

\[= 10 + 9 = 19\]

\[56\ :2 = (40 + 16)\ :2 =\]

\[= 20 + 8 = 28\]

\[2)\ 55\ :5 = 11\]

\[64\ :2 = 32\]

\[45\ :3 = 15\]

\[84\ :6 = 14\]

\[96\ :3 = 32\]

\[78\ :6 = 13\]

\[\boxed{\mathbf{3.}}\]

\[1)\ 90\ :5 = 18\]

\[76\ :4 = 19\]

\[2)\ 72\ :18 = 4\]

\[4 \cdot 18 = 72\]

\[42\ :14 = 3\]

\[3 \cdot 14 = 42\]

\[95\ :19 = 5\]

\[19 \cdot 5 = 95\]

\[\boxed{\mathbf{4.}}\]

\[17 \cdot 4 = 68\]

\[68\ :4 = 17\]

\[26 \cdot 3 = 78\]

\[78\ :26 = 3\]

\[37 \cdot 2 = 74\]

\[74\ :37 = 2\]