Réponses

2013-09-23T15:23:17+02:00
[4:(2+4:2)]x2-1 = 1 X2 -1 = 1
4 : [ (2x4) : 2x2-1 ] = 4 / (8/3) = 4 X 3/8 =3/2
10 - [4:4+2x(5-5:2)] =10-1 =9
(10-4) : 4+2x(5-5) :2 =6 : 4 = 3/2