Répondre :
A= (4x30)/18=120/18=20/3
B= (27x15)/(5x36)=405/180=9/4
C=14/(35x18)=14/630=1/45
D=(9x32)/(24x3)=288/72=4
E=(45x2)/(2x18)=90/36=10/4
B= (27x15)/(5x36)=405/180=9/4
C=14/(35x18)=14/630=1/45
D=(9x32)/(24x3)=288/72=4
E=(45x2)/(2x18)=90/36=10/4