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EmmaaaCarena
@EmmaaaCarena
January 2021
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Bonjour ! Urgent pour demain svp (niveau 3e)
Merci d'avance
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Inkello
Salut , a) a x b = 8x5 = 40 ; b) b x b = 7x7 = 49 ; c) a x b + b x a = 6x4 + 4 x 6 = 24+24 = 48 ; d) a x b - b x a = 2x3 - 3x2 = 6- 6 = 0 . Bon courage.
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mazig
Verified answer
A = ab
b = bb
c = ab+ba
d = ab-ba
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TRES URGENT ! Bonjour je suis en 4e et j'aurai besoin d'aide pour l'exercice 1 svp c'est pour demain ! Merci.
Responda
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Verified answer
A = abb = bb
c = ab+ba
d = ab-ba