ex 28 page 21 aider moi svp j’en ai besoin pour demain !

Bonjour

A = 8/9 : 24/3

A = 8/9 x 3/24

A = 24/216

A = (24 x 1) / (24 x 9)

A = 1/9

B = 2/3 : 4

B = 2/3 x 1/4

B = 2/12

B = (2 x 1) / (2 x 6)

B = 1/6

C = 2 : 3/4

C = 2 x 4/3

C = 8/3

D = 1 : 5/2 x 5/2

D = 1 x 5/2 x 5/2

D = 5/2 x 5/2

D = 25/4