question47 - /¹A ®¸ª*€d 4701 E¸ª* 4702 2006 Ð(m ¸...

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Unformatted text preview: /¹A ®¸ª*€d 4701 E¸ª* 4702 2006 Ð(m ¸ E 6 Hª èV 4703 a, b, c, d ∈ N ,1 ≤ a ≤ b ≤ c ≤ d ≤ 20, b − a > 2, c − b > 2, d − c > 2 (a, b, c,¸ d ) Hª∗ E6 4704 4 xa ax3 + bx2 + cx + d a E 5 H¸ª 6 aa ba ca d H6¸ª* E 5 11 á¥è|+ ¸ m 2 ت*йÜE ( 1 ÜE@» º 2006 Ð(m 2 OΠ ÷ AB Σ a Aa µ2 ÷ ∋ O a 1 a 2 O1 O2 O2 x OB a a y ¸ E 6 Hª O1 OA a Ba AB a ¸ E x6 Hª∗ y a a AB a O1 ya a A O O 1 1 R r O O O B 2 2 4705 øPú a (1) MP ˆE¸ª 0 A AB = 6 0E¸ª* (2) ∆MPN ♦ ¸ ¬ ½ª* 2 M,N a E0 ABa ¸ AC ˆª* Pè M N B P C ...
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