Question

x:3,5=3/7: 2 1/7!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Пошаговое объяснение:

х:3,5=3/7:2 1/7

х:7/2=3/7:2 1/7

2 1/7•х=7/2•3/7

15/7•х=3/2

х=3/2:15/7=3/2×7/15=7/10=0,7