Correction :

22 + 8 = 30	19 + 9 = 28
24 + 17 = 41	9 × 5 = 45
24 + 2 = 26	29 - 18 = 11
9 + 12 = 21	5 + 21 = 26
24 + 18 = 42	7 + 24 = 31
16 + 23 = 39	16 : 8 = 2
29 - 15 = 14	25 - 9 = 16
1 + 9 = 10	35 : 5 = 7
11 + 1 = 12	8 + 6 = 14
18 + 24 = 42	9 + 23 = 32