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Trei apartamente costa impreuna 901100 lei.Daca primele costa impreuna 600634 lei iar ultimele doua costa impreuna 415850 lei.Afla cat costa fiecare apartament

Răspuns :

[tex]a+b+c=901100(1)[/tex]
[tex]a+b=600634(2)[/tex]
[tex]b+c=415850(3)[/tex]
[tex](1),(2)=\ \textgreater \ 600634+c=901100=\ \textgreater \ c=901100-600634=300466[/tex]
[tex](1),(3)=\ \textgreater \ a+415850=901100=\ \textgreater \ a=901100-415850=485250[/tex]
[tex](2)=\ \textgreater \ 485250+b=600634=\ \textgreater \ b=600634-485250=115384[/tex]