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afla numerele a ,b,c stiind ca a+b+c= 1762, a+b=1126, iar b-c=216

Va rog ajutor!



Răspuns :

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

b-636=216
b=216+636
b=852

a+852+636=1762
a+1488=1762
a=1762-1488
a=274