\[Страница\ 37.\ Тест\]
\[\boxed{\mathbf{Вариант}\mathbf{\ 2}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }}\]
\[(12 + 9) \cdot 4 = 12 \cdot 4 + 9 \cdot 4\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }}\]
\[14 \cdot 7 = (10 + 4) \cdot 7 = 10 \cdot 7 +\]
\[+ 4 \cdot 7 = 70 + 28 = 98\]
\[Ответ:98.\]
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }}\]
\[74\ :2 = (60 + 14)\ :2 =\]
\[= 60\ :2 + 14\ :2 = 30 + 7 = 37\]
\[Ответ:37.\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }}\]
\[(24 + 60)\ :12 = 24\ :12 +\]
\[+ 60\ :12\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }}\]
\[(34 + 62)\ :16 = 96\ :16 = 6\]
\[Ответ:6.\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }}\]
\[17 \cdot 4 = (10 + 7) \cdot 4 = 10 \cdot 4 +\]
\[+ 7 \cdot 4 = 40 + 28 = 68\]
\[Ответ:68.\]
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }}\]
\[При\ делении\ на\ 4\ остаток\ \]
\[может\ быть\ таким:\]
\[1,\ \ \ 2,\ \ \ 3.\]
\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }}\]
\[37\ :7 = 5\ (ост.\ 2)\]
\[Ответ:5\ (ост.\ 2).\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]
\[75\ :15 = 5\]
\[Ответ:5.\]
\[\boxed{\mathbf{10}\mathbf{.}\mathbf{\ }}\]
\[7\ :9 = 0\ (ост.\ 7)\]
\[Ответ:0\ (ост.\ 7).\]
\[\boxed{\mathbf{11}\mathbf{.}\mathbf{\ }}\]
\[64\ :\ \boxdot = 80\ :5\]
\[64\ :\ \boxdot = 16\]
\[\boxdot = 64\ :16\]
\[\boxdot = 4.\]
\[Ответ:4.\]