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ESTUROVA

Bonjour !

A = 1/2 * (-2/3)

A = (1*(-2)) / (2*3)

A = -2/6

A = -1/3

B = -2/6 * 21/5

B = (-2*21) / (6*5)

B = -42/30

B = -7/5

C = -4/5 * (-7/2)

C = (-4*(-7)) / (5*2)

C = 28 / 10

C = 14/5

D = (-7) * (-9/56)

D = (-7*(-9)) / (1*56)

D = 63/56

D = 9/8

E = 3/14 * (-7/3)

E = (3*(-7)) / (14*3)

E = -21/42

E = -1/2

F = (-5/7)²

F = -5/7 * (-5/7)

F = (-5*(-5)) / (7*7)

F = 25/49

J'espère t'avoir aidé. Bon courage !

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