\[\boxed{\mathbf{Страница}\mathbf{\ 16}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{35}\mathbf{.}}\]
\[9 + 8 + 3 = 17 + 3 = 20\]
\[7 + 6 - 8 = 13 - 8 = 5\]
\[15 - 9 + 7 = 6 + 7 = 13\]
\[42 - 9 + 5 = 33 + 5 = 38\]
\[73 + 7 + 6 = 80 + 6 = 86\]
\[54 - 8 - 6 = 46 - 6 = 40\]
\[\boxed{\mathbf{36}\mathbf{.}}\]
\[30 - (9 + 11) = 30 - 20 =\]
\[= 10\ (рыбок) - в\ третьем\ \]
\[аквариуме.\]
\[Ответ:10\ рыбок.\]
\[\boxed{\mathbf{37}\mathbf{.}}\]
\[18 - 9 + 5 = 9 + 5 = 14\]
\[24 - 7 - 8 = 17 - 8 = 9\]
\[11 - 3 + 8 = 8 + 8 = 16\]
\[4 + 9 + 7 = 13 + 7 = 20\]
\[8 + 7 - 5 = 15 - 5 = 10\]
\[6 + 5 + 8 = 11 + 8 = 19\]