Correction :

24 - 18 = 6	7 + 22 = 29
27 - 4 = 23	11 + 0 = 11
22 + 22 = 44	8 + 4 = 12
24 : 6 = 4	15 + 15 = 30
19 - 5 = 14	8 × 6 = 48
18 - 18 = 0	10 - 4 = 6
23 - 11 = 12	11 + 12 = 23
35 - 23 = 12	17 + 24 = 41
12 + 14 = 26	14 + 20 = 34
8 + 9 = 17	11 - 0 = 11