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2014-09-26T17:50:22+03:00
A +b +c =1925
b -140=a
c -205=b
a____/
b____/+140
c____/+140  +205
140 * 2+205 =485
1925  - 485 =1440
1440 / 3 =480
a =480
b =480 +140 =620
c =620 +205 =825