\[\boxed{\mathbf{Стр.\ 76.\ }еуроки - ответы\ на\ пятёрку}\]
\[\boxed{\mathbf{74.}}\]
\[\boxed{\mathbf{75.}}\]
\[8070\] | \[4800\] | \[2001\] | \[957\] | \[609\] | \[408\] | \[384\] | \[360\] |
---|---|---|---|---|---|---|---|
\[Б\] | \[А\] | \[Л\] | \[Ь\] | \[М\] | \[О\] | \[Н\] | \[Т\] |
\[\boxed{\mathbf{76.}}\]
\[x\ :7 = 275 + 425\]
\[x\ :7 = 700\]
\[x = 700 \cdot 7\]
\[x = 4900.\]
\[Проверка:\]
\[4900\ :7 = 275 + 425\]
\[700 = 700.\]
\[90\ :y = 17 - 2\]
\[90\ :y = 15\]
\[y = 90\ :15\]
\[y = 6.\]