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30 December, 11:10

Suma a doua numere este 500 iar diferenta lor este 100. aflati numerele

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  1. 30 December, 11:34
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    Notăm cu a, b numerele

    a+b=500

    a-b=100⇒a=100+b

    100+b+b=500

    100+2b=500

    2b=400

    b=200

    a=200+100⇒a=300

    Numerele sunt 200 şi 300
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