| 1) | 4 + 3 + 2 | 2) | 9 - -8 - -24 |
| 3) | 10 - -9 - -20 | 4) | 11 + 4 + 2 |
| 5) | -12 - -2 - -13 | 6) | 9 + 3 + 21 |
| 7) | 2 + 8 + 16 | 8) | -5 - -1 + -2 |
| 9) | 12 + 5 + -4 | 10) | -10 + 2 + 15 |
| 11) | 10 + 5 + 11 | 12) | 10 - -6 - 5 |
| 13) | 13 - -7 - -2 | 14) | 5 - -9 - -16 |
| 15) | -3 - -1 + 20 | 16) | 10 - -6 - 0 |
| 17) | -6 - -6 - -12 | 18) | 4 + 6 + -7 |
| 19) | -3 + 6 + 21 | 20) | -7 + 4 + 9 |
| 21) | -8 + 6 + -12 | 22) | 2 + 2 + -7 |
| 23) | 12 + 1 - 20 | 24) | -11 - -4 - -4 |
| 25) | 10 - -5 - -22 | 26) | -8 + 4 + -6 |
| 27) | 3 - -8 - -21 | 28) | 4 - -4 - 7 |
| 29) | -11 + 7 + -15 | 30) | -12 - -8 - 4 |
| 31) | -11 - -7 - -15 | 32) | -5 + 2 + 11 |
| 33) | -10 + 10 + -1 | 34) | -5 - -3 - 24 |
| 35) | 7 + 6 + -11 | 36) | 12 + 3 + -7 |
| 37) | 10 + 7 + 23 | 38) | 7 - -4 - 18 |
| 39) | 1 + 5 + 0 | 40) | -3 - -8 - -23 |
Joke:
You are warned!; if a mathematician says your child can become a banker or plumber, he means both and would call it 'OR' rule.