\[\boxed{\mathbf{Проверьте\ себя.\ Страница\ 142}}\]
\[\boxed{\mathbf{Проверочная\ работа\ №1.\ Деление\ на\ десятичную\ дробь}}\]
\[\boxed{\text{1.}}\]
\(а)\ 3,6\ :0,1 = 36\ :1 = 36\)
\[\textbf{б)}\ 36,82\ :0,01 = 3682\ :1 =\]
\[= 3682\]
\[\textbf{в)}\ 3,682\ :0,0001 =\]
\[= 36\ 820\ :1 = 36\ 820\]
\[\textbf{г)}\ 3\ :0,00001 = 300\ 000\ :1 =\]
\[= 300\ 000\]
\[\boxed{\text{2.}}\]
\[\textbf{а)}\ 6,405\ :3,05 = 6405\ :3050 =\]
\[= 2,1\]
\[\textbf{б)}\ 42,436\ :41,2 =\]
\[= 42\ 436\ :41\ 200 = 1,03\]
\[\boxed{\text{3.}}\]
\[\textbf{а)}\ 32,3\ :0,17 = 3230\ :17 = 190\]
\[\textbf{б)}\ 135\ :0,9 - 100,01 =\]
\[= 1350\ :9 - 100,01 =\]
\[= 150 - 100,01 = 49,99\]
\[\textbf{в)}\ 2,835\ :4,5 + 1,2 \cdot 0,3 =\]
\[= 2835\ :4500 + 0,36 =\]
\[= 0,63 + 0,36 = 0,99\]
\[\boxed{\text{4.}}\]
\[a = 0,7:\]
\[= 6,57\ :0,9 + 7,56\ :0,5 =\]
\[= 657\ :90 + 756\ :50 =\]
\[= 7,3 + 15,12 = 22,42\]