\[Страница\ 20.\]
Начерти и продолжи (стр. 20)
\[\boxed{\mathbf{Начерти}\mathbf{\ }\mathbf{и}\mathbf{\ }\mathbf{продолжи}\mathbf{\ (}\mathbf{на}\mathbf{\ }\mathbf{полях}\mathbf{)}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[x \cdot 11 = 55\]
\[x = 55\ :11\]
\[x = 5.\]
\[96\ :x = 16\]
\[x = 96\ :16\]
\[x = 6.\]
\[15 \cdot x = 75\]
\[x = 75\ :15\]
\[x = 5.\]
\[52\ :x = 13\]
\[x = 52\ :13\]
\[x = 4.\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[12 \cdot 8 = 96\]
\[9 \cdot 8 = 72\]
\[8 \cdot 8 = 64\]
\[11 \cdot 8 = 88\]
\[26 + 8 = 34\]
\[37 + 8 = 45\]
\[49 + 8 = 57\]
\[58 + 8 = 66\]
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[66\ :33 = 2\]
\[55\ :11 = 5\]
\[64\ :16 = 4\]
\[75\ :25 = 3\]
\[77\ :7 = 11\]
\[34\ :2 = 17\]
\[51\ :3 = 17\]
\[84\ :7 = 12\]
\[6 \cdot 12 = 72\]
\[98\ :2 = 49\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[27 \cdot 3 = 81\]
\[81\ :3 = 27\]
\[27 = 27.\]
\[4 \cdot 18 = 72\]
\[72\ :18 = 4\]
\[4 = 4.\]
\[99\ :11 = 9\]
\[11 \cdot 9 = 99\]
\[99 = 99.\]
\[91\ :7 = 13\]
\[13 \cdot 7 = 91\]
\[91 = 91.\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 36\ :12 = 3\ (раза) -\]
\[ускорилась\ зарядка\ дронов.\]
\[2)\ 36 - 12 = 24\ (минуты) -\]
\[ускорилась\ зарядка.\]
\[Ответ:\ \ в\ 3\ раза;на\ 24\ минуты.\]
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[24\ :3 = 8\]
\[24\ :4 = 6\]
\[25\ :5 = 5\]
\[24\ :6 = 4\]
\[21\ :7 = 3\]
\[24\ :8 = 3\]
\[18\ :9 = 2\]
\[20\ :10 = 2\]
\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[45\ :15 = 3\]
\[99\ :33 = 3\]
\[80\ :16 = 5\]
\[78\ :6 \cdot 3 = 13 \cdot 3 = 39\]
\[51\ :3 \cdot 4 = 17 \cdot 4 = 68\]
\[84\ :4 \cdot 3 = 21 \cdot 3 = 63\]
\[100 - 4 \cdot 18 = 100 - 72 = 28\]
\[100 - 6 \cdot 13 = 100 - 78 = 22\]
\[100 - 4 \cdot 25 = 100 - 100 = 0\]
\[(34 + 36)\ :10 = 70\ :10 = 7\]
\[(75 - 33)\ :3 = 42\ :3 = 14\]
\[(82 - 16)\ :33 = 66\ :33 = 2\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 28\ :14 = 2\ (часа) - летит\]
\[\ самолет\ от\ Москвы\ до\ \]
\[Ставрополья.\]
\[2)\ 28 - 2 = 26\ (часов) -\]
\[экономия\ времени.\]
\[Ответ:26\ часов.\]
\[\boxed{\mathbf{10}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[47 + 25 + 8 + 13 \Longrightarrow меньшая\]
\[\ из\ сумм.\]