Bonjour aidez moi svp

Bonsoir,

A = - 5/3 : 2/- 6

A = - 5/3 x - 6/2

A = 30/6

A = (6 x 5) / (6 x 1

A = 5

B = - 4/5 : 2/10

B = - 4/5 x 10/2

B = - 40/10

B = (10 x - 4) / (10 x 1)

B = - 4

C = 9 : 3/- 2

C = 9 x - 2/3

C = - 18/3

C = (3 x - 6) / (3 x 1)

C = - 6

D = - 6 : - 5/3

D = - 6 x - 3/5

D = 18/5

E = - 1/12 : 10/ - 4

E = - 1/12 x - 4/10

E = 4/120

E = (4 x 1) / (4 x 30)

E = 1/30.

F = - 14 : - 7/3

F = - 14 x - 3/7

F = 42/7

F = (7 x 6) / (7 x 1)

F = 6

A = (1/3 + 4/3) / (5/7 - 4/7)

A = 5/3 : 1/7

A = 5/3 x 7

A = 35/3

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

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

B = (1/4 - 6/4) / (- 6/10 - 5/10)

B = - 5/4 : - 11/10

B = - 5/4 x - 10/11

B = 50/44

B = (2 x 25) / (2 x 22)

B = 25/22.

C = (7/- 3 x 5/7) / (- 6/7 x 11/ - 3)

C = - 35/21 : 66/21

C = - 35/21 x 21/66

C = - 735/1 386

C = (21 x - 35) / (21 x 66)

C = - 35/66

D = (5/2 + - 8/3) / (3/4 - 1/6)

D = [(5 x 3) / (2 x 3) - (8 x 2) / (3 x 2)] / [(3 x 3) / (4 x 3) - (1 x 2) / (6 x 2)]

D = (15/6 - 16/6) : (9/12 - 2/12)

D = - 1/6 : 7/12

D = - 1/6 x 12/7

D = - 12/42

D = (6 x - 2) / (6 x 7)

D = - 2/7

E = (2 + 4/- 3) : (- 6/5 - 7)

E = [(2 x 3) / (1 x 3) - 4/3) : [- 6/5 - (7 x 5) / (1 x 5)]

E = (6/3 - 4/3) : (- 6/5 - 35/5)

E = 2/3 : - 41/5

E = 2/3 x - 5/41

E = - 10/123

F = (5 x 6/7 - 4) / [- 7/3 - (- 1/2 - 5/- 3)]

F = [30/7 - (4 x 7) / (1 x 7)] : [- 7/3 - [(- 1 x 3) / (2 x 3) + (5 x 2) / (3 x 2)]]

F = (30/7 - 28/7) : [- 7/3 - (- 3/6 + 10/6)]

F = 2/7 : (- 7/3 - 7/6)

F = 2/7 : [(- 7 x 2) / (3 x 2) - 7/6]

F = 2/7 : (- 14/6 - 7/6)

F = 2/7 : - 21/6

F = 2/7 x - 6/21

F = - 12/147

F = (3 x - 4) / (3 x 49)

F = - 4/49.