Réponses

2012-10-10T19:32:57+02:00

A= 5X3/5-15+3X10/3

A= 3-15+10

A= -2

 

B= 3/5X15X10/3

B=3X10

B=30

 

C= 3/5X15-4X3/5X10/3

C=9-8

C=1

 

D= 3+15X10/3

D=3+5X10

D=53