Réponses

2014-01-01T20:06:34+01:00
Bonsoir
A=5×(8×2-1-5)-63:9
A = 5 x (16 -1-5) - 7
A= 5 x 10 -7
a = 50-7 = 43


2014-01-01T20:47:05+01:00

a = 5* ( 8*2-1-5) - 63 /9

a = 5*10 - 7

a=  50-7

a= 43


Voila :)