| 1. (5 × 2) ×
2 × 4 = 80 |
2. 6 − 7 + (6
× 6) × 8 = 287 |
| 3. (3 + 6) −
(2 + 5) + 8 = 10 |
4. (3 + 8) × (6
+ 7 + 4) = 187 |
| 5. (2 − 9 −
1) = -8 |
6. (5 + 5 × 5)
= 30 |
| 7. (3 + 3 × 1)
= 6 |
8. 1 − (9 + 5)
+ 2 = -11 |
| 9. 9 + (2 − 6
− 2 − 5) = -2 |
10. (3 + 2 + 3) = 8 |
| 11. (2 × 8 −
1) = 15 |
12. 9 × 1 −
(6 + 5) × 3 = -24 |
| 13. (3 − 4 −
6) + 8 × 9 = 65 |
14. 9 × (9 −
9 × 6) × 4 = -1620 |
| 15. 7 + (3 + 4) ×
1 = 14 |
16. (8 + 3) + 2 = 13 |
| 17. 2 − (1 +
7) × 1 = -6 |
18. 7 × (7 + 2
+ 3) = 84 |
| 19. (6 × 2 ×
2) = 24 |
20. (7 + 5 + 2 ×
3) + 1 = 19 |