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2014-05-14T21:30:23+03:00
Cel mai inteligent răspuns!
  • Utilizator Brainly
2014-05-14T21:30:37+03:00
A+b+c=85
a+b=67
b=23+c

67+c=85
c=18

b=23+18
b=41

a+41=67
a=26
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