Correction :

25 - 6 = 197 × 2 = 14
32 : 8 = 446 - 24 = 22
8 + 2 = 1012 + 21 = 33
4 × 6 = 2410 - 1 = 9
11 + 8 = 1922 - 1 = 21
21 + 9 = 307 : 1 = 7
17 + 11 = 287 - 4 = 3
26 - 20 = 628 - 5 = 23
24 + 15 = 391 + 16 = 17
34 - 12 = 2248 - 24 = 24