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Sagot :

LOULAKAR

Réponse :

Explications étape par étape

Bonjour

Exercice 21 :

A = -7/3 x 5/4 x -1/3

A = (-7 x 5 x (-1)) x (3 x 4 x 3)

A = 35/36

B = 4/3 x -5/7 x -1/3 x (-5)

B = -4/3 x 1/7 x 1/3 x 25

B = -(4 x 25)/(3 x 7 x 3)

B = -100/63

INEQUATION

Bonjour,

Calculer:

A= (-7*5*-1)/(3*4*3)= 35/ 36

B= (4*-5*-1*-5)/(3*7*3)= - 100/ 63

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