Correction :

33 - 16 = 17	25 - 23 = 2
3 - 0 = 3	1 × 3 = 3
0 + 16 = 16	1 - 0 = 1
9 + 0 = 9	8 × 7 = 56
12 + 4 = 16	4 × 11 = 44
12 - 0 = 12	21 + 10 = 31
10 + 9 = 19	14 + 17 = 31
19 - 11 = 8	16 - 1 = 15
18 + 10 = 28	0 + 13 = 13
24 + 13 = 37	18 + 13 = 31