Question

1. корень 36+49 если не видно

Answer 1

$1)sqrt{36}+sqrt{49}=6+7=13\2)sqrt{4*7-3}=sqrt{25}=5\3)sqrt{16+4*2,25}=sqrt{16+9}=sqrt{25}=5\4)sqrt{0,5^2-0,3^2}=sqrt{0,2*0,8}=sqrt{0,16}=0,4$