Răspunsuri

2014-11-11T15:04:03+02:00
 \frac{(a+b+c)}{3}

a = 713

(713+b+c)/3 = 655
713+b+c = 1965
b+c = 1252.

De aici scoti numerele si afli stiind ca

b+c = 1252
a+b+c = 1965
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