Bonjour effectue les opérations suivantes en les simplifiant A=-2/3+7/4 B=-5/6-1/18 C=2/9×(-6/5) D=-7/3÷6/5 E=2+7/6-7/24+1/8 F=7/8-3/8×11/3+7/6÷(-4) G=1+2/3/ 4/

Bonsoir,

Effectue les opérations suivantes en les simplifiant

A=-2/3+7/4

A = (- 2 x 4) / (3 x 4) + (7 x 3) / (4 x 3)

A = - 8/12 + 21/12

A = 13/12

B=-5/6-1/18

B = (- 5 x 3) / (6 x 3) - 1/18

B = - 15/18 - 1/18

B = - 16/18

B = (2 x - 8) / (2 x 9)

B = - 8/9

C=2/9×(-6/5)

C = - 12/45

C = (3 x - 4) / (3 x 15)

C = - 4/15

D=-7/3÷6/5

D = - 7/3 x 5/6

D = - 35/18

E=2+7/6-7/24+1/8

E = (2 x 24) / (1 x 24) + (7 x 4) / (6 x 4) - 7/24 + (1 x 3) / (8 x 3)

E = 48/24 + 28/24 - 7/24 + 3/24

E = 72/24

E = (24 x 3) / (24 x 1)

E = 3

F=7/8-3/8×11/3+7/6÷(-4)

F = 7/8 - 33/24 + 7/6 x - 1/4

F= (7 x 3) / (8 x 3) - 33/24 - 7/24

F = 21/24 - 33/24 - 7/24

F = - 19/24.

G=1+2/3

 4/7-7/1

G = (1 x 3) / (1 x 3) + 2/3

     4/7 - (7 x 7) / (1 x 7)

G = 3/3 + 2/3

     4/7 - 49/7

G = 5/3 : - 45/7

G = - 225/21

G = (3 x - 75) / (3 x 7)

G = - 75/7.