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Sagot :

Réponse:

P = - 216

Explications étape par étape:

Bonjour,

P = - 6 x b x a x (-9) x a x (-1) x b

P = - 6 x (-2) x (-9) x a x (-1) x b

P = - 6 x (-2) x (-9) x a x b x (-1)

P = - 6 x (-2) x (-9) x (-2) x (-1)

P = 12 x (-9) x (-2) x (-1)

P = - 108 x (-2) x (-1)

P = 216 x (-1)

P = - 216

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