Question

Вычислите по алгебре​

Answer 1

$(\frac{1}{3})^{-1}-(\frac{6}{7})^{0}+(\frac{1}{2})^{2}:2=3-1+\frac{1}{4}*\frac{1}{2}=2+\frac{1}{8}=2\frac{1}{8}=2,125\\\\Otvet:\boxed{2,125}$