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2014-11-05T23:53:53+02:00
A+b=27
a-fete
b-baieti
a=b+25b/100=(100b+25b)/100=125b/100=5b/4
5b/4+b=27
(5b+4b)4=27
9b/4=27
b=27x4/9=12 baieti
a=27-b=27-12=15 fete