nazardmitrnko0972976

Пошаговое объяснение:

3 1/9Х = 4 2/15 - 1 4/5 = 4 2/15 - 1 12/15

3 1/9Х = 2 5/15 = 2 1/3

Х = 2 1/3 / 3 1/9 = 7/3 / 28/9 = 7/3 х 9/28

Х = 3/4 = 0,75

ORisTOP

2 зад.

3 1/9х=4 2/15-1 4/5=2 1/3

х=2 1/3:3 1/9=7/3•9/28=3/4

х=3/4