Question

2+22-2 5-5 8-8 70-70

Answer 1

2+22-2=22
5-5=0
8-8=0
70-70=9

Answer 2

ой, не 9, а 0 случайно нажала

Answer 3

ок

Answer 4

22+2-2+22
5-5=9
8-8=0
70-70=0