Correction :

37 - 17 = 20	32 - 22 = 10
2 × 5 = 10	24 + 19 = 43
32 - 16 = 16	17 - 15 = 2
37 - 14 = 23	33 - 19 = 14
30 - 13 = 17	26 - 15 = 11
110 : 10 = 11	18 + 14 = 32
13 + 8 = 21	21 + 5 = 26
0 + 16 = 16	0 + 6 = 6
5 - 0 = 5	16 + 20 = 36
39 - 21 = 18	45 - 21 = 24