Question

Prosze o pomoc na dzis
[1 2/3 ×2 1/4-(1 1/3) do potegi 2]÷71=

Answer 1

[1 2/3x2 1/4-(1 1/3)²]:71=[5/3x9/4-(4/3)²]:71=[5x3/4-16/9]:71= [15/4-16/9]:71= [135/36-64/36]:71=71/36x1/71=1/36