Réponses

Meilleure réponse !
2014-02-21T19:35:31+01:00
4/3x2/7x1/4 = 8/21 x 1/4 = 8/64 = 8 x 1 / 8 x 8 = 1/8

12/5x1/6x10/7 = 12/30 x 10/7 = 120/210 = 30 x 4 / 30 x 7 = 4/7

7/4x4x7/3 = 28/4 x 7/3 = 196/12 = 4 x 49 / 4 x 3 = 49/3

5x1/20x4
= 5/20 x 4 = 20/20 = 1
Merci beaucoup Maudmarine !! :)))
De rien :))