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andreea ionescu 01 mar 2017

Stie cineva? Va rog! afla a.b.c stiind ca: a+b=3/6 b+c=5/6 a+b+c=1?

Propus de: andreea ionescu   |  

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  • Carla alman
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    Carla alman 13 mar 2017 20:00

    a=3/6-b
    c=5/6-b
    deci ai 3/6-b +b+5/6-b=1
    -b+8/6=1
    -b=6/6-8/6
    -b=-(2/6)
    b=2/6
    a=1/6
    c=3/6