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Sagot :

Réponse:

tiens je l'ai mis en pièce jointe

View image AMINEKHIRI034

Bonjour ,

A) -7/3×-1/3×5/4

A) -7×(-1)/3×3×5/4

A) 7/9×5/4

A) 7×5/9×4

A)35/36

B) 4/3×(-5)/7×(-1)/3×(-5)

B) -20/21×(-1)/3

B) 20/63

B)20/63×(-5)

B)-100/63

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