Correction :

28 - 14 = 1423 - 11 = 12
14 + 8 = 2227 - 13 = 14
5 - 3 = 222 + 2 = 24
43 - 24 = 193 × 3 = 9
2 + 4 = 67 + 17 = 24
25 - 16 = 923 - 23 = 0
24 + 16 = 408 + 8 = 16
20 - 4 = 1623 - 5 = 18
31 - 11 = 2018 + 8 = 26
32 - 8 = 2431 - 9 = 22