4\cdot \sqrt{25}= . 6\cdot \sqrt{81}= . \sqrt{36}\cdot \sqrt{16}= . \sqrt{49}\cdot \sqrt{64}= . 3\cdot \sqrt{4}= . \sqrt{9\cdot 4}= .

Задание

Вычисли

\(4\cdot \sqrt{25}=\) [ ].
\(6\cdot \sqrt{81}=\) [ ].
\(\sqrt{36}\cdot \sqrt{16}=\) [ ].
\(\sqrt{49}\cdot \sqrt{64}=\) [ ].
\(3\cdot \sqrt{4}=\) [ ].
\(\sqrt{9\cdot 4}=\) [ ].