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Afla c+b+a a plus b egal 236 b plus c 632 a plus c 708
Daca se poate cat mai repede!!!


Răspuns :

a+b=236
b+c=632
a+c=708
a+b+b+c+a+c=236+632+708
2(a+b+c)=1576
a+b+c=1576:2=788