| 2) | Calcule les produits suivantes. |
| –
3 . 5 = |
– 15 |
(–
1) . 9 = |
– 9 |
21
. (– 4) = |
– 84 |
| –
2 . (– 5) = |
10 |
1
. (– 1) = |
– 1 |
4
. (– 4) = |
– 16 |
| 5
. (– 5) = |
– 25 |
12
. (– 2) = |
– 24 |
(–
4) . (– 4) = |
16 |
| –
8 . 7 = |
– 56 |
–
5 . 0 = |
0 |
–
6 . (– 2) = |
12 |
| 1
. (– 5) = |
– 5 |
–
2 . 2 = |
– 4 |
4
. 4 = |
16 |
| –
4 . 6 . (– 3) = |
72 |
4
. (– 2) . (– 1) .
(– 3) = |
– 24 |
| 7
. (– 1) . (– 2) .
(– 3) = |
– 42 |
–
1 . (– 3) . (– 1) .
(– 3) = |
9 |
| –
3 . 5 . 4 . (–
2) = |
120 |
4
. (– 5) . (– 10) .
0 . 2 = |
0 |
| 2
. 5 . (– 9) .
1 = |
– 90 |
–
10 . 2 . (– 4) .
25 = |
2000 |
| –
3 . (– 5) . (– 10) = |
– 150 |
(–
2) . (– 2) . (– 2) .
(– 2) . (– 2) = |
– 32 |