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2014-04-17T18:04:57+03:00
A = bile rosii
b = bile albe
c = bile negre
a + b + c = 624
a = 5b
c = a + b
a + b = c
5b + b = c
6b = c

a + b + c = 624
5b + b + 6b = 624
12b = 624
b = 624 : 12 = 52
a = 5 × 52 = 260
c = 6 × 52 = 312
10 4 10