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Celine76hyu
@Celine76hyu
May 2019
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Aidez-moi svp, Bonsoir est-ce-que qqn pourrait m'aider pour faire cette exercice svp, merci.
Calculer et donner les résultats des expressions sous la forme la plus simple ( fraction irréductible)
ÉCRIRE les étapes intermédiaires.
A= (7/4-7/6) : (2/9+11/6)
B= 2-4/5+1/3 le tout sur 2+4/5+1/3
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Geijutsu
Verified answer
A = ((7/4)-(7/6))/((2/9)+(11/6)) = ((42/24)-(28/24)))/(4/18)+(33/18)) = ((42-28)/24)/((4+33)/18) = (14/24)/(37/18) = (14/24)*(18/37) = (14*18)/(24*37) = (14*6*3)/(6*4*37) = (14*3)/(4*37) = 42/148 = (2*21)/(2*74) = 21/74
B =
=
=
=
=
0 votes
Thanks 1
Geijutsu
Oui, c'est le signe de multiplication en effet
Geijutsu
Je n'ai rien écrit de plus
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bonsoir est-ce-que qqn pourrait m'aider pour l'exercice 2 svp.Merci d'avance.
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Bonjour est-ce-que qqn pourrait m'aider svp je n'arrive pas. (expliquez-moi le mieux possible svp) Merci d'avance.
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Bonjour, je bloque sur cette exo est-ce-que qqn pourrait m'aider svp.Merci d'avance
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Verified answer
A = ((7/4)-(7/6))/((2/9)+(11/6)) = ((42/24)-(28/24)))/(4/18)+(33/18)) = ((42-28)/24)/((4+33)/18) = (14/24)/(37/18) = (14/24)*(18/37) = (14*18)/(24*37) = (14*6*3)/(6*4*37) = (14*3)/(4*37) = 42/148 = (2*21)/(2*74) = 21/74B = = = = =