t>
| 1) | -4 - -1 + 22 | 2) | -3 + 7 + -9 |
| 3) | -2 + 4 + 6 | 4) | -4 + 10 + 24 |
| 5) | 13 - -10 - -3 | 6) | 4 - -8 - -16 |
| 7) | -1 + 7 + 15 | 8) | 9 - -6 - 23 |
| 9) | 12 - -3 - -22 | 10) | -11 - -5 - -9 |
| 11) | -2 + 8 + 1 | 12) | -11 - -3 - 17 |
| 13) | 3 - -9 - 5 | 14) | -11 + 3 + 16 |
| 15) | -5 - -2 - 11 | 16) | 1 - -3 - 22 |
| 17) | -5 + 8 + -7 | 18) | -2 + 10 + -11 |
| 19) | -4 + 2 + -14 | 20) | 4 - -6 - 24 |
| 21) | -3 + 5 + -10 | 22) | -11 + 10 + 15 |
| 23) | 14 + 6 + 19 | 24) | -2 - -3 - -4 |
| 25) | 1 - -7 - 1 | 26) | -12 - -3 - 4 |
| 27) | 13 + 2 + 20 | 28) | 1 + 9 + 11 |
| 29) | 12 - -2 - 13 | 30) | 1 + 6 + 13 |
| 31) | 8 - -5 - -9 | 32) | -4 + 9 + -16 |
| 33) | -5 - -5 - 19 | 34) | 2 + 6 + 0 |
| 35) | 14 - -6 - -9 | 36) | 13 + 9 + -20 |
| 37) | 1 + 6 + -4 | 38) | 13 - -7 - -20 |
| 39) | -3 - -4 - -8 | 40) | -8 + 6 + -7 |
Joke:
If your father was a mathematician, he would warn you in the form of 'I told you n times; and I told you n+1 times' and so on!