√8*√6 дробная черта √20 )

[latex] \frac{ \sqrt{8}* \sqrt{6} }{ \sqrt{20} } = \frac{ \sqrt{4*2} * \sqrt{6} }{ \sqrt{4} * \sqrt{5} } = \frac{ \sqrt{4} * \sqrt{2} * \sqrt{6} }{ \sqrt{4} * \sqrt{5} } = \\ \\ \frac{ \sqrt{2} * \sqrt{2*3} }{ \sqrt{5} } = \frac{2 \sqrt{3} }{ \sqrt{5} } =2 \sqrt{0.6} [/latex]