Correction :

10 - 0 = 10	14 - 5 = 9
22 : 11 = 2	39 - 21 = 18
10 × 3 = 30	25 - 24 = 1
15 + 21 = 36	22 + 17 = 39
11 + 19 = 30	24 - 22 = 2
14 + 13 = 27	29 - 6 = 23
20 + 16 = 36	30 - 18 = 12
9 - 1 = 8	37 - 16 = 21
22 - 8 = 14	9 - 2 = 7
8 + 12 = 20	17 - 14 = 3