Answered

Bonjour j’aurai besoin d’aide :

1)A = 3 + 5/13 = 2)B= 7/2 + 21/6 =


3)C = 1/12 - 1/2 = 4)D = 2/11 + 4/9 =

Sagot :

LILABELLE592005

RÉPONSE :

A= 3/1+5/13 B= 7×6/2×6+21×2/6×2

A=3×13/1×13 + 5×1/13×1 B= 35/12+42/12

A=69/13+5/13 B= 77/12

A=74/13

C= 1×2/12×2-1×12/2×12 D=2×9/11×9+4×11/9×11

C= 2/24 - 12/24 D=18/99 + 44/99

C= 10/24 D=62/99