| 1) | -4 - -5 - -4 | 2) | -12 - -9 - 17 |
| 3) | -2 + 8 + 6 | 4) | 13 + 2 + -3 |
| 5) | -5 - -2 - 24 | 6) | -7 + 7 + -11 |
| 7) | -6 + 9 + -2 | 8) | 7 + 9 + 7 |
| 9) | 7 - -1 + -5 | 10) | 11 + 3 + -5 |
| 11) | 14 - -3 - 22 | 12) | 2 - -2 - -3 |
| 13) | -7 + 9 + -9 | 14) | 5 - -1 + 3 |
| 15) | -9 + 8 + 17 | 16) | -6 - -10 - 21 |
| 17) | -1 - -2 - 5 | 18) | -3 - -1 + -10 |
| 19) | -8 - -5 - 13 | 20) | -8 - -1 + -8 |
| 21) | 2 + 7 + -7 | 22) | 3 - -3 - 3 |
| 23) | 11 - -3 - -11 | 24) | -3 - -4 - -10 |
| 25) | 1 - -8 - -6 | 26) | 9 - -9 - -8 |
| 27) | 1 - -10 - -22 | 28) | 14 + 8 + -8 |
| 29) | 14 + 3 + 21 | 30) | -2 + 7 + 2 |
| 31) | 7 + 5 + -2 | 32) | 6 - -4 - 15 |
| 33) | 6 - -4 - -23 | 34) | 7 - -9 - -9 |
| 35) | 8 + 6 + -20 | 36) | 8 + 10 + 0 |
| 37) | 1 - -2 - -9 | 38) | 10 + 9 + 6 |
| 39) | -3 + 7 + -1 | 40) | 5 - -10 - 23 |
Joke:
Terry shouted at his stubborn public-school-boy son: 'I pay thousands of pounds to your schoolmasters; but your classmates seem to be your mentors!'