Решебник по математике 3 класс Моро Часть 2 | Страница 36

\[Страница\ 36.\ Тест\]

\[\boxed{\mathbf{Вариант}\mathbf{\ 1}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]

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

\[(7 + 11) \cdot 5 = 7 \cdot 5 + 11 \cdot 5\]

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

\[15 \cdot 6 = (10 + 5) \cdot 6 = 10 \cdot 6 +\]

\[+ 5 \cdot 6 = 60 + 30 = 90\]

\[Ответ:90.\]

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

\[56\ :4 = (40 + 16)\ :4 =\]

\[= 40\ :4 + 16\ :4 = 10 + 4 = 14\]

\[Ответ:14.\]

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

\[(48 + 36)\ :12 = 48\ :12 +\]

\[+ 36\ :12\]

\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }}\]

\[(35 + 40)\ :15 = 75\ :15 = 5\]

\[Ответ:5.\]

\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }}\]

\[18 \cdot 4 = (10 + 8) \cdot 4 = 10 \cdot 4 +\]

\[+ 8 \cdot 4 = 40 + 32 = 72\]

\[Ответ:72.\]

\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }}\]

\[При\ делении\ на\ 5\ остаток\]

\[\ может\ быть\ таким:\]

\[1,\ \ \ 2,\ \ \ 3,\ \ \ 4.\]

\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }}\]

\[49\ :6 = 8\ (ост.\ 1)\]

\[Ответ:8\ (ост.\ 1).\]

\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]

\[72\ :12 = 6\]

\[Ответ:6.\]

\[\boxed{\mathbf{10}\mathbf{.}\mathbf{\ }}\]

\[5\ :9 = 0\ (ост.\ 5)\]

\[Ответ:0\ (ост.\ 5).\]

\[\boxed{\mathbf{11}\mathbf{.}\mathbf{\ }}\]

\[39\ :\ \boxdot = 52\ :4\]

\[39\ :\ \boxdot = 13\]

\[\boxdot = 39\ :13\]

\[\boxdot = 3.\]

\[Ответ:3.\]