Correction :

24 - 19 = 5	21 + 23 = 44
25 - 1 = 24	5 × 7 = 35
17 - 4 = 13	11 - 2 = 9
10 - 4 = 6	11 × 9 = 99
36 - 22 = 14	6 × 7 = 42
14 + 10 = 24	11 + 16 = 27
5 + 15 = 20	19 + 19 = 38
32 - 13 = 19	25 : 5 = 5
10 : 2 = 5	0 + 12 = 12
32 - 15 = 17	5 × 8 = 40