Question45 - •×t¼ª*U7´A 4501 F A O ∆ABC CF ⊥ AB D O CF O AB = 2CD BE BD = B D AEO BC O G O AE ⊥ BC AE = 2 BC G C E 4502<

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Unformatted text preview: •×t¼ª*U7´A 4501 F A O ∆ABC CF ⊥ AB D O CF O AB = 2CD BE : BD = ? B D AEO BC O G O AE ⊥ BC AE = 2 BC G C E 4502 * < anê > @ÐY•E ªµ P ª ¼”Ó( (1)8Pê * (2)(” ªÓ ¼ * 5@ ª µÐY•E P ê a1 , a2 Xè * ª 5 (Ó ¼” * 5Ó ª” ¼ ( * ª a1 ,ê aP2 @ÐY•E µ 4503 : w > x > y > ª z (Ó¼ *” 1 2 w + 2 x + 2 y + 2 z =1288@ * ¾ Ȫ ¸ 4 4504 : A, B, C O ,: A + 1, B + 1, C − 1ª ∪≅ ¸* ,: AB = C ,: A, B, C O O O 4505 O OO CD O Q Xè PO @ Oª ȸ* ¾ AO BO Q O OP O AB O O PAB O O PCDª (¼* ”Ó A C O Q R P D B ...
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This note was uploaded on 12/18/2010 for the course MATH 25234 taught by Professor Dr.maoxiaoxching during the Spring '10 term at Fudan University.

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