Réponses

2014-09-05T17:49:06+02:00
A = (3/4 - 1/2) × 6 - 1 ÷ 7/5
A = (3/4 - 1 x 2 / 2 x 2) x 6 - 1 : 7/5
A = (3/4 - 2/4) x 6 - 1 : 7/5
A = 1/4 x 6 - 1 : 7/5
A = 6/4 - 1 : 7/5
A = 6/4 - 1 x 5/7
A = 6/4 - 5/7
A = 6 x 7 / 4 x 7 - 5 x 4 / 7 x 4
A = 42/25 - 20/28
A = 22/28
A = 2 x 11 / 2 x 14
A = 11/14


2014-09-05T17:55:43+02:00
(3/4-1/2)
(3/4-2/4)
1/4x(6-1)
1/4x5
1/4x5/1
5/4÷7/5
5/4x5/7
25/28