1. 4 - 6 = -2 1 25 34
2. 7 + 7 = 26 1 14 38
3. 2 - 17 = -15 10 22 29
4. 15 - 3 = 26 21 22 12
5. 18 - 3 = 32 20 12 15
6. 20 + 5 = 35 24 33 25
7. 9 - 8 = 35 26 33 1
8. 4 - 19 = 15 -15 29 19
9. 15 - 19 = -4 18 12 6
10. 14 + 12 = 15 30 26 6