[tex]a)Mg= \sqrt{8*18} = \sqrt{144} =12 \\ b)Mg= \sqrt{5*20} = \sqrt{100} =10 \\ c)Mg= \sqrt{ \frac{3}{2}* \frac{8}{3} } = \sqrt{ \frac{24}{6} } = \sqrt{4} =2 \\ d)Mg= \sqrt{ \sqrt{2}* \sqrt{8} } = \sqrt{ \sqrt{16} }= \sqrt{4} =2 \\ e)Mg= \sqrt{3 \sqrt{3}*4 \sqrt{3} } = \sqrt{12 \sqrt{9} } = \sqrt{36} =6 \\ f)Mg= \sqrt{ \sqrt{5}^-^2*0,8 } = \sqrt{ \sqrt{ \frac{1}{5} }^2*0,8 } = \sqrt{ \sqrt{ \frac{1}{25} }*0,8 } = \sqrt{ \frac{1}{5}*0,8 } = \\ = \sqrt{0,2*0,8} = \sqrt{0,16} =0,4[/tex]
