Réponses

2014-10-30T09:57:21+01:00
A=24-5-1
= 24 - 6
= 18

B=28/4-(0.5+1)*2
= 28/4 -(1,5 X 2)
= 28/4 - 3
= 28/4 - (3X4)/4
= 28/4 - 12/4
= 16/4
= 4

C=10/[6-2*(1-0.5)]*5
= 10/ [(6 - 2 (0,5)] X5
= 10/ (6 - 1) X5
= 10/ 5 X 5
= 10/25
= (2 X 5) / (5 X 5)
= 2/5

D= 72/9*8/2-9*3
= (72/ 72)/ 2 - 27
= 1/ -25