Correction :

9 × 3 = 27	26 - 24 = 2
1 + 1 = 2	18 + 5 = 23
23 - 9 = 14	4 + 17 = 21
19 + 7 = 26	18 + 23 = 41
40 : 8 = 5	9 + 12 = 21
25 - 4 = 21	40 - 22 = 18
4 + 19 = 23	4 + 18 = 22
3 + 22 = 25	66 : 11 = 6
36 : 9 = 4	24 + 14 = 38
2 + 20 = 22	10 - 8 = 2