Réponses

2014-01-02T23:53:27+01:00
F=7/4+3/20
 =7*5/4*5+3/20
 =35/20+3/20
 =38/20
 =19/10
g=3/8*2/15
 =6/125
h=5/3+1/3*7/2
 =5/3+7/6
 =10/6+7/6
 =17/6
i=3/4*8/9-7/15
 =24/36-7/15
 =360/540-252/540
 =108/540
 =9/45
 =1/5
2014-01-02T23:55:34+01:00
F = 7/4 + 3/20 = 35/20 +3/20 = 38/20  = 19/10

G = 3/8 * (3/5-7/15) = 3/8 * (9/15-7/15) = 3/8 * 2/15 = 6/120 = 1/20

H = 5/3 + 1/3 * 7/2 = 5/3 + 7/6 = 10/6 +7/6 = 17/6

I = 3/4 * 8/9 -7/15 = 24/36 - 7/15 = 360/540-252/540=108/540=1/5