a fost răspuns

afla a,b si c,stiind ca a+b+c=1 762,a+b=1 126 ,iar b-c =216

Răspuns :

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a+b+c=1762,a+b=1126,b-c=216
1126+c=1762,c=636
b-c=216,b=216+636=852
a+852=1126,a=274
274+852+636=1762

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