\[Страница\ 36.\ Тест\]
\[\boxed{\mathbf{Вариант}\mathbf{\ 1}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }}\]
\[(7 + 11) \cdot 5 = 7 \cdot 5 + 11 \cdot 5\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }}\]
\[15 \cdot 6 = (10 + 5) \cdot 6 = 10 \cdot 6 +\]
\[+ 5 \cdot 6 = 60 + 30 = 90\]
\[Ответ:90.\]
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }}\]
\[56\ :4 = (40 + 16)\ :4 =\]
\[= 40\ :4 + 16\ :4 = 10 + 4 = 14\]
\[Ответ:14.\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }}\]
\[(48 + 36)\ :12 = 48\ :12 +\]
\[+ 36\ :12\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }}\]
\[(35 + 40)\ :15 = 75\ :15 = 5\]
\[Ответ:5.\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }}\]
\[18 \cdot 4 = (10 + 8) \cdot 4 = 10 \cdot 4 +\]
\[+ 8 \cdot 4 = 40 + 32 = 72\]
\[Ответ:72.\]
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }}\]
\[При\ делении\ на\ 5\ остаток\]
\[\ может\ быть\ таким:\]
\[1,\ \ \ 2,\ \ \ 3,\ \ \ 4.\]
\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }}\]
\[49\ :6 = 8\ (ост.\ 1)\]
\[Ответ:8\ (ост.\ 1).\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]
\[72\ :12 = 6\]
\[Ответ:6.\]
\[\boxed{\mathbf{10}\mathbf{.}\mathbf{\ }}\]
\[5\ :9 = 0\ (ост.\ 5)\]
\[Ответ:0\ (ост.\ 5).\]
\[\boxed{\mathbf{11}\mathbf{.}\mathbf{\ }}\]
\[39\ :\ \boxdot = 52\ :4\]
\[39\ :\ \boxdot = 13\]
\[\boxdot = 39\ :13\]
\[\boxdot = 3.\]
\[Ответ:3.\]