Question

Помогите срочно надо

Answer 1

$\sqrt{12*75}=\sqrt{3*2*2*5*5*3}=\sqrt{3^2*2^2*5^2}=3*2*5=30$

$\sqrt{0.36*0.81}=\sqrt{(0.6)^2*(0.9)^2}=0.6*0.9=0.54$