Correction :

36 - 12 = 24	9 + 4 = 13
3 + 19 = 22	3 + 8 = 11
18 + 24 = 42	0 + 12 = 12
7 + 17 = 24	11 + 3 = 14
24 + 7 = 31	12 - 10 = 2
19 + 24 = 43	7 + 0 = 7
33 - 10 = 23	33 - 9 = 24
35 - 11 = 24	21 + 20 = 41
5 - 5 = 0	14 + 22 = 36
21 + 22 = 43	3 × 5 = 15