Correction :

22 + 2 = 2426 - 8 = 18
10 - 1 = 932 - 24 = 8
15 + 0 = 1522 + 6 = 28
18 - 12 = 616 - 11 = 5
6 × 11 = 6623 - 21 = 2
37 - 23 = 144 + 3 = 7
30 : 10 = 31 × 5 = 5
1 + 6 = 724 - 20 = 4
0 + 7 = 743 - 23 = 20
0 + 2 = 222 + 8 = 30