Photos 1 C 3 P

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1 c 3 p. (C+2)(C-3). 3c(c-2)-(c-3)(c-1). (C/2+C/3)*1/c2. 4c(c-2)-(c-4) в квадрате.
(C+2)(C-3). 3c(c-2)-(c-3)(c-1). (C/2+C/3)*1/c2. 4c(c-2)-(c-4) в квадрате.