| 1) | -6 - -3 - -11 | 2) | -3 + 6 + 18 |
| 3) | -4 + 9 + -15 | 4) | 11 + 4 + 14 |
| 5) | -5 - -7 - -12 | 6) | -3 + 1 - -24 |
| 7) | 6 - -7 - 6 | 8) | 8 - -4 - 19 |
| 9) | 9 + 3 + 24 | 10) | -5 - -5 - -23 |
| 11) | -6 + 7 + -16 | 12) | -9 + 2 + 13 |
| 13) | 14 + 7 + 19 | 14) | -11 - -7 - 6 |
| 15) | 3 - -5 - -1 | 16) | 12 - -4 - -11 |
| 17) | 11 + 8 + 20 | 18) | 8 - -3 - 9 |
| 19) | 6 - -2 - 22 | 20) | 11 - -2 - -14 |
| 21) | -2 - -8 - 20 | 22) | -10 - -9 - 21 |
| 23) | 3 + 5 + 8 | 24) | 1 + 2 + -15 |
| 25) | -8 - -3 - -9 | 26) | 5 + 5 + 16 |
| 27) | 10 + 4 + -19 | 28) | -7 + 2 + 23 |
| 29) | 10 + 4 + 13 | 30) | -1 - -5 - 11 |
| 31) | -3 + 1 - 16 | 32) | 9 - -4 - -15 |
| 33) | -2 + 2 + -14 | 34) | 14 - -2 - -4 |
| 35) | -12 + 4 + -7 | 36) | 8 - -5 - 23 |
| 37) | 1 + 8 + -17 | 38) | 13 - -1 + 4 |
| 39) | 14 - -3 - -19 | 40) | -1 + 4 + 2 |
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!'