\[Страница\ 64.\ Верно?Неверно?\]
\[\boxed{\mathbf{1}\mathbf{.}\mathbf{\ }}\]
\[Верно.\]
\[\boxed{\mathbf{2}\mathbf{.}\mathbf{\ }}\]
\[Верно.\]
\[\boxed{\mathbf{3}\mathbf{.}\mathbf{\ }}\]
\[Неверно.\ \]
\[953 \rightarrow 9\ единиц\ ІІІ\ \ разряда.\]
\[\boxed{\mathbf{4}\mathbf{.}\mathbf{\ }}\]
\[Неверно.\ \]
\[900 - 2 = 898.\]
\[\boxed{\mathbf{5}\mathbf{.}\mathbf{\ }}\]
\[Верно.\]
\[\boxed{\mathbf{6}\mathbf{.}\mathbf{\ }}\]
\[Верно.\]
\[\boxed{\mathbf{7}\mathbf{.}\mathbf{\ }}\]
\[Неверно.\]
\[283 = 200 + 80 + 3.\]
\[\boxed{\mathbf{8}\mathbf{.}\mathbf{\ }}\]
\[Верно.\]
\[\boxed{\mathbf{9}\mathbf{.}\mathbf{\ }}\]
\[Неверно.\]
\[601 = 6\ сотен\ 1\ единица.\]
\[\boxed{\mathbf{10}\mathbf{.}\mathbf{\ }}\]
\[Неверно.\]
\[\ 2\ дес + 6\ сот = 620.\]
\[\boxed{\mathbf{11}\mathbf{.}\mathbf{\ }}\]
\[Верно.\]