\[Страница\ 29.\]
Ребусы (стр. 29)
\[\boxed{\mathbf{Ребусы}\mathbf{\ (}\mathbf{поля}\mathbf{)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[10\ :3 = 3\ (ост.\ 1) - 3\ ручки\ на\]
\[\ 10\ рублей.\]
\[5\ :3 = 1\ (ост.\ 2) - 1\ ручку\ на\ \]
\[5\ рублей.\]
\[1\ :3 = 0\ (ост.\ 3) - нельзя\]
\[\ купить\ ручку.\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[36\ :9 = 4\]
\[35\ :7 = 5\]
\[36\ :6 = 6\]
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 36 - 27 = 9\ (досок) -\]
\[израсходовали\ на\ ремонт.\]
\[2)\ 27\ :9 = 3\ (раза) - больше\ \]
\[досок\ осталось,\ чем\ \]
\[израсходовали.\]
\[3)\ 27 - 9 = 18\ (досок) -\]
\[меньше\ израсходовали,\ \]
\[чем\ осталось.\]
\[Ответ:\ \ в\ 3\ раза;\ \ на\ 18\ досок.\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 72\ :9 \cdot 12 = 8 \cdot 12 = 96\]
\[64\ :8 \cdot 11 = 8 \cdot 11 = 88\]
\[81\ :9 \cdot 11 = 9 \cdot 11 = 99\]
\[56\ :7 \cdot 10 = 8 \cdot 10 = 80\]
\[9 \cdot 9\ :3 = 81\ :3 = 27\]
\[7 \cdot 8\ :2 = 56\ :2 = 28\]
\[8 \cdot 9\ :4 = 72\ :4 = 18\]
\[6 \cdot 8\ :3 = 48\ :3 = 16\]
\[2)\ 63\ :(14 - 7) = 63\ :7 = 9\]
\[(30 - 12)\ :6 = 18\ :6 = 3\]
\[27\ :(38 - 35) = 27\ :3 = 9\]
\[(98 - 8)\ :5 = 90\ :5 = 18\]
\[9 \cdot 3 - 12\ :4 = 27 - 3 = 24\]
\[36\ :6 + 4 \cdot 6 = 6 + 24 = 30\]
\[32\ :4 + 6 \cdot 8 = 8 + 48 = 56\]
\[9 \cdot 7 - 54\ :6 = 63 - 9 = 54\]
\[80 - 32\ :8\ :2 = 80 - 4\ :2 =\]
\[= 80 - 2 = 78\]
\[(80 - 32)\ :8\ :2 = 48\ :8\ :2 =\]
\[= 6\ :2 = 3\]
\[80 - 32\ :(8\ :2) = 80 - 32\ :4 =\]
\[= 80 - 8 = 72\]
\[36 + 24\ :6 \cdot 2 = 36 + 4 \cdot 2 =\]
\[= 36 + 8 = 44\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[m = 4:\]
\[88\ :4 = 22.\]
\[m = 2:\]
\[88\ :2 = 44.\]
\[m = 8:\]
\[88\ :8 = 11.\]
\[m = 1:\]
\[88\ :1 = 88.\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[x\ :23 = 4\]
\[x = 4 \cdot 23\]
\[x = 92.\]
\[\overline{92\ :23 = 4}\]
\[4 = 4.\]
\[x \cdot 14 = 84\]
\[x = 84\ :14\]
\[x = 6\]
\[\overline{6 \cdot 14 = 84}\]
\[84 = 84.\]
\[96\ :x = 24\]
\[x = 96\ :24\]
\[x = 4.\]
\[\overline{96\ :4 = 24}\]
\[24 = 24.\]
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]