1.Упростите выражение 2.Вычеслите

[latex]2 \sqrt{50}- \sqrt{18}+ \sqrt{8}+1= 2 \sqrt{25*2}- \sqrt{9*2}+ \sqrt{4*2}+1= \\ =2*5 \sqrt{2}- 3\sqrt{2}+ 2\sqrt{2}+1=10 \sqrt{2} - \sqrt{2}+1= 9\sqrt{2}+1 \\ \\ 0.5* \sqrt{12} * \sqrt{6}*\sqrt{2}+0.2 =0.5* \sqrt{12} * \sqrt{12}+0.2 = 0.5* 12+0.2 = \\ =6+0.2=6.2[/latex]