Bonsoir
Exercice 52 :
A=-(3.2*10*2*0.5)=-(16*2)=-32
B=75*1*2=150
C=3*0.1*20=3*2=6
D=-(1.5*4*1*0.8*3)=-(6*0.8*3)=-14.4
E=-(2*10*3*1*1)=-(2*10*3)=-60
Exercice 53
A=5*1.25*8=5*10=50
B=75*1*2=150
C=-(0.01*25*13.2*4*3)=-(0.01*330*4*3)=-(0.01*1320*3)=-(0.01*3960)=-39.6