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2014-10-26T00:06:27+03:00
(a+b)+c=19875
16296+c=19875
c=19875-16296
c=3579
a+(b+c)=19875
a+15860=19875
a=19875-15860
a=4015
4015+b+3579=19875
7594+b=19875
b=19875-7594
b=12281
1 5 1
2014-10-26T00:13:10+03:00
A+b+c=19875
a+b=16296
c=19875-16296
c=3579

b+c=15860
a=19875-15860
a=4015

b+c=15860
b+3579=15860
b=15860-3579
b=12281

4015+12281+3579=19875