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Sagot :

SYLVIA38

Réponse :

Bonsoir

Explications étape par étape

A = -2/3 × 4/5

A = (-2×4) / (3×5)

A = -8/15

B = -2/3 × (-4)/5

B = (-2×(-4)) / ((3×5)

B = 8/15

C = 2/7 × (-3)/5

C = (2×(-3)) / (7×5)

C = -6/35

D = -9 × 3/5

D = (-9×3) / 5

D = -27/5

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