| 1) | -1 - -3 - 19 | 2) | 8 + 9 + -17 |
| 3) | 2 - -3 - -11 | 4) | 8 - -6 - 2 |
| 5) | -9 + 4 + 19 | 6) | -6 - -7 - -18 |
| 7) | -10 + 5 + 15 | 8) | 7 + 6 + 20 |
| 9) | 12 - -2 - 4 | 10) | -9 - -9 - -12 |
| 11) | 5 - -9 - -2 | 12) | -3 + 5 + -2 |
| 13) | -1 - -10 - -13 | 14) | -9 + 9 + -5 |
| 15) | -7 - -7 - -4 | 16) | 12 + 4 + 18 |
| 17) | -10 + 2 + 9 | 18) | -10 - -6 - 19 |
| 19) | -8 - -3 - 19 | 20) | -5 + 10 + 12 |
| 21) | -3 + 7 + -7 | 22) | 7 + 9 + 6 |
| 23) | -2 - -7 - -18 | 24) | 1 - -7 - 10 |
| 25) | -8 + 4 + -8 | 26) | -4 + 3 + 12 |
| 27) | -3 + 3 + 23 | 28) | 13 + 8 + -8 |
| 29) | 11 + 6 + -16 | 30) | -11 + 6 + -21 |
| 31) | 1 - -7 - 6 | 32) | 2 - -7 - -9 |
| 33) | 3 - -9 - 24 | 34) | 14 + 9 + -13 |
| 35) | 7 - -3 - 7 | 36) | -7 - -2 - -18 |
| 37) | 3 + 9 + -6 | 38) | 1 - -1 + -11 |
| 39) | -3 + 7 + 15 | 40) | -1 + 9 + -9 |
Joke:
If a mathematician became a farmer, he would grow carrots with square roots and adopt swine and coswine with high-pot-in-use!