Réponses

2014-01-27T22:04:50+01:00
A) 42/66 = 6 x 11 / 6 x 7 = 11/7

b) 126/63 = 63 x 2 / 63 x 1 = 2/1

c) 175/70 = 35 x 5 / 35 x 2 = 5/2

d) 216/72 = 72 x 3 / 72 x 1 = 3/1

e) 88/440 = 88 x 1 / 88 x 5 = 1/5