\[\boxed{\mathbf{Страница}\mathbf{\ 19}\mathbf{.}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]
\[1)\ 18 \cdot 40 = 720\ (батонов) -\]
\[хлеба\ привезли\ в\ магазин.\]
\[2)\ 720 - 548 = 172\ (батона) -\]
\[осталось\ в\ магазине.\]
\[Ответ:172\ батона.\]
\[\boxed{\mathbf{10}\mathbf{.}\mathbf{\ }}\]
\[37\ 000\ :1000 = 37\]
\[540\ 000\ :100 = 5400\]
\[608\ 000\ :10 = 60\ 800\]
\[75 \cdot 1000 = 75\ 000\]
\[820 \cdot 100 = 82\ 000\]
\[9600 \cdot 10 = 96\ 000\]
\[\boxed{\mathbf{11}\mathbf{.}\mathbf{\ }}\]
\[1\ км = 1000\ м.\]
\[1000 - (120 + 400) =\]
\[= 1000 - 520 = 480\ (м) -\]
\[осталось\ пройти\ дачнику\ до\ \]
\[станции.\]
\[Ответ:480\ м.\]
\[\boxed{\mathbf{12}\mathbf{.}\mathbf{\ }}\]
\[58 \cdot x = 174\]
\[x = 174\ :58\]
\[x = 3.\]
\[58 \cdot 3 = 174\]
\[174 = 174.\]
\[x\ :4 = 17\]
\[x = 17 \cdot 4\]
\[x = 68.\]
\[68\ :4 = 17\]
\[17 = 17.\]
\[114\ :x = 6\]
\[x = 114\ :6\]
\[x = 19.\]
\[114\ :19 = 6\]
\[6 = 6.\]