\[\boxed{\mathbf{Страница}\mathbf{\ \ 44}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{112}\mathbf{.}}\]
\[уменьши\ в\ 6\ раз\] | ||||
---|---|---|---|---|
\[12\] | \[42\] | \[36\] | \[54\] | \[30\] |
\[2\] | \[7\] | \[6\] | \[9\] | \[5\] |
\[уменьши\ на\ 6\] | ||||
---|---|---|---|---|
\[18\] | \[30\] | \[13\] | \[21\] | \[36\] |
\[12\] | \[24\] | \[7\] | \[15\] | \[30\] |
\[\boxed{\mathbf{113}\mathbf{.}\mathbf{\ }}\]
\[5 \cdot 7 + 9 = 44\ (пуговицы) -\]
\[всего.\]
\[Ответ:44\ пуговицы.\]
\[5 \cdot 7 - 9 = 35 - 9 =\]
\[= 26\ (пуговиц) - на\ столько\ \]
\[больше.\]
\[Ответ:на\ 26\ пуговиц.\]
\[44 - 5 \cdot 6 = 14\ (пуговиц) -\]
\[осталось\ бы.\]
\[Ответ:14\ пуговиц.\]
\[\boxed{\mathbf{114}\mathbf{.}\mathbf{\ }}\]
\[8 \cdot 3 + 5 \cdot 4 - 37 =\]
\[= 24 + 20 - 37 = 44 - 37 = 7\]
\[27\ :9 + 9\ :3 - 5 = 3 + 3 - 5 =\]
\[= 6 - 5 = 1\]
\[54\ :9 \cdot 2 + 36\ :9\ :4 =\]
\[= 6 \cdot 2 + 4\ :4 = 12 + 1 = 13\]
\[42\ :6 \cdot 5 + 5 \cdot 3 = 7 \cdot 5 + 15 =\]
\[= 35 + 15 = 50\]
\[7 \cdot 4 + 48\ :6\ :4 + 5 =\]
\[= 28 + 2 + 5 = 35\]
\[8\ :2 \cdot 6\ :3 + 59 = 24\ :3 + 59 =\]
\[= 8 + 59 = 67\]
\[45\ :5 \cdot 6\ :9 + 7 = 54\ :9 + 7 =\]
\[= 6 + 7 = 13\]
\[64\ :8\ :2 \cdot 9 + 15 = 4 \cdot 9 + 15 =\]
\[= 36 + 15 = 51\]
\[6 \cdot 6\ :4\ :3 + 27 = 9\ :3 + 27 =\]
\[= 3 + 27 = 30\]
\[40\ :5\ :4 \cdot 9 - 17 = 2 \cdot 9 - 17 =\]
\[= 18 - 17 = 1\]