LUCAS091 LUCAS091 Mathématiques Answered 3. Multiplications et 1. √3-√3 2. √75.√3 3. (√7)² 4. (2√3)² 5. (7√2)² 6. √25-√13 7. √98.√7 8. (-3√5)² 9. 3√11 V11 10.2√7.5√7-√7 11.5√6-3√3 12.2√3-√3-√2 13.√3².√3 14.√8-√2 15. √32-√18 16. √27.√12 17.√36 √64 18.2√72 2 √2-√2 19. (2√3)(√3-√2)², 20.2√15-5-√10