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Sagot :

Bonjour

a=7/6+5/4x8/3

a = 7/6 + 40/12

a = (7 x 2) / (6 x 2) + 40/12

a = 14/12 + 40/12

a = 54/12

a = (6 x 9) / ( 6 x 2)

a = 9/2

b=25/6:(3/4x5/7)

b = 25/6 : 15/28

b = 25/6 x 28/18

b = 700/108

b = (4 x 175) / (4 x 27)

b = 175/27

c=25/6-37/6

c = - 12/6

c = (2 x - 2) / (2 x 1)

c = - 2

d=25/3+17/7

d = (25 x 7) / (3 x 7) + (17 x 3) / (7 x3)

d = 175/21 + 51/21

d = 226/21

e=8:24/25

e = 8 x 25/24

e = 200/24

e = (8 x 25) / (8 x 3)

e = 25/3.

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