3с-6b 6c
------------- + ----------------- =
2b+c 2(3c-b)
3с-6b 3c (3c-6b)*(3c-b) + 3c*(2b+c )
------------- + ----------------- = ----------------------------------------------------- =
2b+c 3c-b (2b+c)*( 3c-b)
9c²-18bc-3bc+6b²+ 6bc+3c² 12c²-15bc+6b²
--------------------------------------------- = ------------------------------ =
(2b+c)*( 3c-b) (2b+c)*( 3c-b)
3*(4c²-5bc +2b²) 3*(4c²-5bc +2b²) 3*(4c²-5bc +2b²)
----------------------------- = ------------------------------ = ----------------------------
(2b+c)*( 3c-b) 6bc+3c²-2b²-cb 3c²+5bc-2b²
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3с-6b 6c
------------- + ----------------- =
2b+c 2(3c-b)
3с-6b 3c (3c-6b)*(3c-b) + 3c*(2b+c )
------------- + ----------------- = ----------------------------------------------------- =
2b+c 3c-b (2b+c)*( 3c-b)
9c²-18bc-3bc+6b²+ 6bc+3c² 12c²-15bc+6b²
--------------------------------------------- = ------------------------------ =
(2b+c)*( 3c-b) (2b+c)*( 3c-b)
3*(4c²-5bc +2b²) 3*(4c²-5bc +2b²) 3*(4c²-5bc +2b²)
----------------------------- = ------------------------------ = ----------------------------
(2b+c)*( 3c-b) 6bc+3c²-2b²-cb 3c²+5bc-2b²