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Danselor
@Danselor
April 2019
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Je n'arrive pas à trouver: ?/3+?/5=1/15
Et même chose pour : ?/5+?/7=1/35
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loulakar
Verified answer
X/3+y/5=1/15
5x/15+3y/15=1/15
5x+3y=1
x=2 et y=(-3)
Soit 10-9=1
Donc on a : 2/3-3/5=1/15
x/5+y/7=1/35
7x/35+5y/35=1/35
7x+5y=1
x=(-2) et y=3 soit -14+15=1
Donc on a : -2/5+3/7=1/35
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Lista de comentários
Verified answer
X/3+y/5=1/155x/15+3y/15=1/15
5x+3y=1
x=2 et y=(-3)
Soit 10-9=1
Donc on a : 2/3-3/5=1/15
x/5+y/7=1/35
7x/35+5y/35=1/35
7x+5y=1
x=(-2) et y=3 soit -14+15=1
Donc on a : -2/5+3/7=1/35