Question

помогите пожалуйста ​

Answer 1

√72/√2=√2*√36/√2=√36=6

Answer 2

$\frac{\sqrt{72} }{\sqrt{2} }$=$\frac{\sqrt{36*2} }{\sqrt{2} }$=$\frac{6\sqrt{2} }{\sqrt{2} }$=6