Bonjour, qui pourrait m’aider à simplifié sous la forme d’une fraction : A= 7/6+11/3x4/5 B= 3/5-1/5x(5/2+2) C= 8/25 x 77/6 x (-20/88) D= -2/-11 x -5/-6 x -3/35

Bonjour

A= 7/6+11/3x4/5

A = 7/6 + 33/15

A = (7 x 5) / (6 x 5) + (33 x 2)  (15 x 2)

A = 35/30 + 66/30

A = 101/30

B= 3/5-1/5x(5/2+2)

B = 3/5 - 1/5 x [5/2 + (2 x 2) / (1 x 2)]

B = 3/5 - 1/5 x (5/2 + 4/2)

B = 3/5 - 1/5 x 9/2

B = 3/5 - 9/10

B = (3 x 2) / (5 x 2) - 9/10

B = 6/10 - 9/10

B = - 3/10

C= 8/25 x 77/6 x (-20/88)

C = 616/150 x (- 20/88)

C = - 12 320/13 200

C = (880 x - 14) / (880 x 15)

C = - 14/15

D= -2/-11 x -5/-6 x -3/35

D = 10/66 x (- 3/35)

D = - 30/2 310

D = (30 x - 1) / (30 x 77)

D = - 1/77.