| 1) | -3 - -5 - -23 | 2) | -10 + 9 + -13 |
| 3) | 5 + 2 + 10 | 4) | -9 + 10 + -14 |
| 5) | -2 + 4 + -23 | 6) | -6 - -3 - 22 |
| 7) | -4 + 5 + 21 | 8) | 5 + 9 + -9 |
| 9) | -5 - -9 - 10 | 10) | -12 + 2 + 7 |
| 11) | -3 + 3 + 19 | 12) | 2 - -6 - -11 |
| 13) | -1 - -3 - -17 | 14) | -5 - -2 - 24 |
| 15) | 3 + 6 + 22 | 16) | -4 - -3 - -16 |
| 17) | -3 - -3 - 8 | 18) | 8 + 2 + -13 |
| 19) | -6 - -9 - -13 | 20) | 9 + 8 + 8 |
| 21) | -3 + 9 + -16 | 22) | -3 - -6 - 7 |
| 23) | 13 - -3 - -17 | 24) | -12 - -1 + 0 |
| 25) | 13 + 7 + 2 | 26) | 11 + 3 + -19 |
| 27) | 12 - -10 - 6 | 28) | 7 - -5 - -1 |
| 29) | -6 + 2 + 8 | 30) | -12 - -9 - -21 |
| 31) | 4 + 9 + -22 | 32) | -7 - -1 + 6 |
| 33) | 14 - -10 - -13 | 34) | 10 + 9 + -24 |
| 35) | -1 + 4 + -11 | 36) | -6 - -9 - 19 |
| 37) | -10 - -6 - -19 | 38) | -3 + 2 + -11 |
| 39) | 10 + 4 + 13 | 40) | 2 - -6 - -11 |
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!