Réponses

2014-01-22T19:42:05+01:00
a) 19/0.3 = 19 x 10 / 0,3 x 10 = 190/30

b) 80/0.53 = 80 x 100 / 0,53 x 100 = 8000 / 53 

c) 2.84/3.5
= 2,84 x 100 / 3,5 x 100 = 284/350