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Enzo19000
@Enzo19000
May 2019
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Bonjour, vous pouvez m’aider s’il vous plait.
C’est un exercice où il faut trouver le nombre x qui convient pour des fractions merci beaucoup, j’offre 20 points !
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Mathemathis
Verified answer
A) 12/15
b) je ne sais pas
c) 7/14
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MonsieurFirdown
Bonsoir
♤a.
x/15 = 4/5 d'où x = 12 car (12÷3)/(15÷3) = 4/5
♤b.
4/x = 5/6 d'où x = 24/5
♤c.
1/2 = 7/x d'où x = 14 car : (1×7)/(2×7) = 7/14
Voilà ^^
2 votes
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Lista de comentários
Verified answer
A) 12/15b) je ne sais pas
c) 7/14
♤a.
x/15 = 4/5 d'où x = 12 car (12÷3)/(15÷3) = 4/5
♤b.
4/x = 5/6 d'où x = 24/5
♤c.
1/2 = 7/x d'où x = 14 car : (1×7)/(2×7) = 7/14
Voilà ^^