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2014-11-07T13:45:25+02:00
A+b+c=1726
b=a+79
c=b+68=a+79+68=a+147
a+a+79+a+147=1726
3a=1726-226
3a=1500
a=1500:3
a=500
b=500+79
b=579
c=579+68
c=647

500+579+647=1726