\[\boxed{\mathbf{Стр.\ 35.\ }еуроки - ответы\ на\ пятёрку}\]
\[\boxed{\mathbf{21.}}\]
\[329 - 30 - 9 = 299 - 9 = 290\]
\[700 + 40 + 8 = 748\]
\[205 + 90 = 295\]
\[428 + 40 = 468\]
\[670 - 70 = 600\]
\[400 + 5 = 405\]
\[838 - 30 = 808\]
\[954 - 50 = 904\]
\[\boxed{\mathbf{22.}}\]
\[Вася - о\ путешествиях.\]
\[Коля - о\ войне.\]
\[Саша - о\ спорте.\]
\[\boxed{\mathbf{23.}}\]
\[51\ :17 = 3\]
\[66\ :33 = 2\]
\[63\ :21 = 3\]
\[88\ :22 = 4\]
\[90\ :18 = 5\]
\[48\ :12 = 4\]
\[\boxed{\mathbf{24.}}\]
\[Вторая\ часть.\]
\[6\ :2 = 3\ см.\]
\[Шестая\ часть.\]
\[6\ :6 = 1\ см.\]
\[Третья\ часть:\]
\[6\ :3 = 2\ см.\]
\[\boxed{\mathbf{25.}}\]
\[15 \cdot 4 > 14 \cdot 4\]
\[84\ :4 < 96\ :4\]
\[80\ :5 < 80\ :4\]
\[57\ :19 > 38\ :19\]