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2013-04-07T18:59:28+02:00

Pour exercice 36

 

a=0,3

b=2

c=0,42

d=6,6

e=0,62

f=1,05

2013-04-07T19:03:07+02:00

a = 15 x 9 : 18 x 25 = 3 x 1 : 2 x 5 = 3/10

 

b = 1.8 x 10 : 9 = 18/9 = 2

 

c = 24 x 7 : 49 x 8 = 3 x 1 : 7 x 1 = 3/7

 

d = 55 x 4 : 33 = 5 x 4 : 3 = 20/3

 

e = 56 x 35 : 65 x 48 = 7 x 7 : 13 x 8 = 49/104

 

f = 26 x 54 : 34 x 39 = 1404/1326 = 13