\[\boxed{\mathbf{Страница}\mathbf{\ \ 29}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{63}\mathbf{.}}\]
\[\textbf{а)}\]
\[x\] | \[1\] | \[3\] | \[5\] | \[8\] | \[9\] | \[10\] |
---|---|---|---|---|---|---|
\[k\] | \[10\] | \[16\] | \[22\] | \[31\] | \[18\] | \[21\] |
\[\textbf{б)}\ \]
\[x\] | \[10\] | \[20\] | \[30\] | \[40\] | \[50\] |
---|---|---|---|---|---|
\[k\] | \[19\] | \[21\] | \[23\] | \[25\] | \[27\] |
\[\boxed{\mathbf{64}\mathbf{.}}\]
\[16\ :2 = 8\ (дней) - хватит\ \]
\[портному\ купленного\ сукна.\]
\[Ответ:на\ 8\ дней.\]
\[\boxed{\mathbf{65}\mathbf{.}}\]
\[32 - 9 = 23\]
\[67 + 4 = 71\]
\[5 \cdot 4 = 20\]
\[4 \cdot 3 = 12\]
\[6 \cdot 4 = 24\]
\[4 \cdot 7 = 28\]
\[36\ :4 = 9\]
\[27\ :9 = 3\]
\[24\ :6 = 4\]