Réponses

2014-10-14T19:06:33+02:00
21/7 = 3
3-3 =0
donc 21/7-3 = 0
Dac :)
Merci
Et quelqu'un sait pour :6/7 +1 ?
6/7 + 1 = 6/7 + 1 x 7 / 1 x 7 = 6/7 + 7/7 = 13/7
Merci :)
2014-10-14T19:07:42+02:00
21/7 - 3 = 21/7 - 3 x 7 / 1 x 7 = 21/7 - 21/7 = 0