Question

ВЫЧИСЛИТЕ (1/3)^-1 -(-6/7)^0 + (1/2)^2 :2

Answer 1

$\displaystyle \tt \bigg(\frac{1}{3}\bigg)^{-1}-\bigg(-\frac{6}{7}\bigg)^{0}+\bigg(\frac{1}{2}\bigg)^{2}:2=3-1+\frac{1}{4}\cdot\frac{1}{2}=2+\frac{1}{8}=2,125;$