Images С 6 7 2С

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С 6 7 2с. С2 : (с-5)2 * 25-с2: (5с+25) + с: с-5 = -с:5. С/С-5+С^2/(C-5)^2*25-C^2/5c+25=-c/5. 2+2. Во-2,5.
С2 : (с-5)2 * 25-с2: (5с+25) + с: с-5 = -с:5. С/С-5+С^2/(C-5)^2*25-C^2/5c+25=-c/5. 2+2. Во-2,5.

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