\[\boxed{\mathbf{Вариант\ 2.}}\]
\[\boxed{\mathbf{1.}}\]
\[Ответ:\ \ \ 146.\]
\[\boxed{\mathbf{2.}}\]
\[375 = 300 + 70 + 5\]
\[\boxed{\mathbf{3.}}\]
\[1000 - 999 = 1\]
\[Ответ:\ \ \ 1.\]
\[\boxed{\mathbf{4.}}\]
\[623 - 20 = 603\]
\[Ответ:\ \ \ 603.\]
\[\boxed{\mathbf{5.}}\]
\[730 - 30 = 700\]
\[Ответ:\ \ \ 700.\]
\[\boxed{\mathbf{6.}}\]
\[Ответ:\ \ \ 899,\ 900,\ 901,\ 902,\ 903.\]
\[\boxed{\mathbf{7.}}\]
\[216 > 206\]
\[Ответ:\ \ \ 0.\]
\[\boxed{\mathbf{8.}}\]
\[Ответ:\ \ \ 999.\]
\[\boxed{\mathbf{9.}}\]
\[8 + 7\ сот = 8 + 700 = 807\]
\[Ответ:\ \ \ 807.\]
\[\boxed{\mathbf{10.}}\]
\[Ответ:\ \ \ 548,\ 845.\]
\[\boxed{\mathbf{11.}}\]
\[636,\ 536,\ 436,\ 336,\ 236,\ 136.\]