Question

1.Упростите выражение 2.Вычеслите

Answer 1

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

Answer 2

Спасибо

Answer 3

пожалуйста