a |-3 |2 |8 |7 |0 |-(-1) |
-a |3 |-2 |-8 |+7 |0 |-1 | |a| |3 |2 |8 |7 |0 |+1 | a2 |9 |4 |64 | 49 | 0 | 1 | a3 |-27 |8 |512 |343 | 0 |-1 |
a| -6 | -8 | 15 | 0 |10 |
b| 3 | -2 | 5 | -9 | -5 |
a+b |-3 | -10 | 20 | -9 | 5 |
a-b |-9 | -6 | 10 | 9 | 15 |
a.b | -18 | 16 | 75 | 0 | -50 |
a:b | -2 | 4 | 3 | 0 | -2 |