Ответ:
\(\sqrt{56\cdot40}-\sqrt{35}=\sqrt{2240}-\sqrt{35}=\sqrt{64\cdot35}-\sqrt{35}=8\sqrt{35}-\sqrt{35}=7\sqrt{35}\).
Ответ: \(7\sqrt{35}\)
\(\sqrt{56\cdot40}-\sqrt{35}=\sqrt{2240}-\sqrt{35}=\sqrt{64\cdot35}-\sqrt{35}=8\sqrt{35}-\sqrt{35}=7\sqrt{35}\).
Ответ: \(7\sqrt{35}\)