Answered

bjr, aidez moi svp !!! c pr les math !!en seconde.

Mettre sous forme de fraction irréductible
A : (11/ 7 - 2/4) * 24 / 7
B : 11 - ( 2/ 5 - 5/2)
C : 5/7 - 5/4 / 1/2 + 2 / 3

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Sagot :

MARGESIMPSON1

Bjr

A = (11/7-2/4)×24/7

A = 15/14×24/7

A = 15/7×12/7

A = 180/49

B = 11-(2/5-5/2)

B = 11-(-21/10)

B = 11+21/10

B = 131/10

C = 5/7-5/4+1/2+2/3

C = 60-105+42+56/84

C = 53/84

Voilà !