Correction :

3 + 3 = 6	21 + 6 = 27
26 - 24 = 2	18 - 10 = 8
10 + 7 = 17	33 - 16 = 17
24 + 2 = 26	18 - 3 = 15
36 - 24 = 12	12 - 5 = 7
0 + 17 = 17	7 + 19 = 26
32 - 21 = 11	9 : 3 = 3
19 + 6 = 25	24 - 19 = 5
19 + 7 = 26	13 + 23 = 36
28 : 4 = 7	3 : 3 = 1