Réponses

2012-09-29T20:09:27+02:00

(2.5*(10^2)^3*21*10^-9)/(35*10^2)

(2,5x(10^6)x21x(10^-9))/(35x10^2)

(2 500 000 x0,000000021)/(3500)

0,0525/3500

0,000015

 

Voila bonne soirée

By Vetteliste