Réponses

2014-03-26T19:18:08+01:00
Ex2
1) - A=5/3-2/3:5/6 =5/3-2/3x6/5 =5/3 -12/15 =25/15-12/15 = 13/15
2)-

B=(4x10⁻²x9x10⁶)/(6x10⁷x10²x10⁶) =4x9x10⁶⁻²)/6x10⁷⁺²⁺⁶ =36x10⁴ /6x10¹⁵ =6x10⁴⁻¹⁵ =6x10⁻¹¹
merci mais enfaite je parlais de l'ex 3 qu 2 :S