Correction :

3 + 10 = 1310 : 2 = 5
4 × 6 = 244 + 23 = 27
15 + 18 = 3318 + 4 = 22
36 - 16 = 2019 + 24 = 43
33 : 3 = 1120 - 8 = 12
24 + 15 = 3935 : 5 = 7
28 - 18 = 1033 - 12 = 21
31 - 7 = 2420 + 15 = 35
9 + 2 = 1115 - 5 = 10
24 + 11 = 3525 - 15 = 10