Question

П.О.М.О.Г.И.Т.Е!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

1) (135+28)×21=163×21=3423
2) 25×5+318=125+318=443
3) 145:5-20=29-20=9
4) -45+21=-24

Answer 2

Решение на фото!!!!!!!!!