Réponses

2014-09-30T13:55:17+02:00
Exo 1

A= 23,04*[12,5/(3,2+1,8)-2,4]
23,04*[12,5/(5)-2,4]
23,04*(2,5-2,4)
23,04*0,1=2,304

B=(9,1+1,6)*(30/10)/10
10,7*3/10
32,1/10=3,21

C= 75,5/5*2-[(3-2)*4]

75,5/5*2-(1)*4
75,5/5*(-2)*4
75,5/5*(-8)
15,1*(-8)= -120,8

D=6,5-7,2/2
13/2-7/2/2
6/2=3/2=1,5

E=16/5*1,6/2
16/8/2
16/4=4

F= 25+5/5/50/2,4+2,6

30/5/50/5
30/5*5/50
150/250=0,6