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Denisfache
@Denisfache
April 2019
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Bonsoir pouvez vous m aidez merci les fractions egyptiennes trouver la valeur de x dans l egalite suivantes 87/60=1/2 1/3 1/4 1/6 1/x
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supersong
Verified answer
Bonjour,
1/2 + 1/3 + 1/4 + 1/6 - 87/60
=30/60 + 20/60 + 15/60 + 10/60 - 87/60
=87/60 - 75/60
=12/60 = 1/5
87/60=1/2 + 1/3 + 1/4 + 1/6 + 1/5
0 votes
Thanks 1
supersong
J''espere t'avoir aidé ;)
supersong
Pour pouvoir trouver ce qu'il manque il faut soustraire par le résultat final
maudmarine
Verified answer
Bonjour,
87/60=1/2 1/3 1/4 1/6 1/x
87/60 = 1 x 30 / 2 x 30 + 1 x 20 / 3 x 20 + 1 x 12 / 4 x 12 + 1 x 10 / 6 x 10 + 1/x
87/60 = 30/60 + 20/60 + 12/60 + 10/60 + 1/x
87/60 = 72/60 + 1/x
87/60 - 72/60 = 15/60
87/60 = 72/60 + 15 x 1 / 15 x 4
87/60 = 72/60 + 1/4
Donc:
87/60 = 1/2 + 1/3 + 1/4 + 1/6 + 1
/4
2 votes
Thanks 3
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Lista de comentários
Verified answer
Bonjour,1/2 + 1/3 + 1/4 + 1/6 - 87/60
=30/60 + 20/60 + 15/60 + 10/60 - 87/60
=87/60 - 75/60
=12/60 = 1/5
87/60=1/2 + 1/3 + 1/4 + 1/6 + 1/5
Verified answer
Bonjour,87/60=1/2 1/3 1/4 1/6 1/x
87/60 = 1 x 30 / 2 x 30 + 1 x 20 / 3 x 20 + 1 x 12 / 4 x 12 + 1 x 10 / 6 x 10 + 1/x
87/60 = 30/60 + 20/60 + 12/60 + 10/60 + 1/x
87/60 = 72/60 + 1/x
87/60 - 72/60 = 15/60
87/60 = 72/60 + 15 x 1 / 15 x 4
87/60 = 72/60 + 1/4
Donc:
87/60 = 1/2 + 1/3 + 1/4 + 1/6 + 1/4