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Suma a patru numere este 600.Primul numar este cu 12 mai mare decat al doilea si cu 12 mai mic decat al treilea.Stiind ca al patrulea reprezinta un sfert din suma primelor trei numere,afla cele patru numere
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Jan 20, 2018
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Suma a patru numere este 600.Primul numar este cu 12 mai mare decat al doilea si cu 12 mai mic decat al treilea.Stiind ca al patrulea reprezinta un sfert din suma primelor trei numere,afla cele patru numere
Mathematics
middle-school
TalOrlanczyk
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Salut!
Ai ca a + b + c +d = 600;
a = b + 12 => b = a-12;
a = c - 12 => c = a + 12;
d = (a+b+c)/3 => d = a;
In final, 4a = 600 => a = 150;
b = 138;
c = 162;
d = 150;
Bafta!
TomG
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Jan 26, 2018
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TomG
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