ALIXGODOTBERNHARDT ALIXGODOTBERNHARDT Mathématiques Answered Exercice 1 Réduire, si possible, les expressions suivantes : 1. A=-32² +1 2. B=6x 2k ▶3. C=-7 x (-9²) ▶4. D=6x² +9x² ▶5. E=6h² - 8h² ▶6. F=2d-(-10d) ▶7. G=-22²-6 ▶8. H = -3cx4 ▶9. I = -4a² +9a²