X
Exercice n°2. Réduire les produits ci-dessous.
1. A = 7xx
2. B = x x x
4. D= 3 x 2x
7. G = 2xx (-2)
5. E= 0,5x x 6x
8. H = -2x x 5x
11. K = 2 x (-4x) x 3
10. J = 4x x (-x) x 2
3. C = 2x x x
6. F=-4x x (-x)
9.1 = 2x x (-3x) x 4
12. L = -xx (-x) x 2x