question86 - 8601 1 @2 7= xT2µª* , , , 0 8602 xT2µª...

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Unformatted text preview: 8601 1 @2 7= xT2µª* , , , 0 8602 xT2µª AA′, BB′, CC ′ , OB AA′ = BB′ = CC ′ = 2, ∠AOC ′ = ∠BOA′ = ∠COB′ = 60° B B : (1) S△AOC′ + S△BOA′ + S△COB′ < 3 (2) S△AOC′ ,S△BOA′ ,S△COB′ X [, S△ABC=△ABC B ] A C′ B O B′ C 3 , 4 A′ 8603 * 2 ª ÈTµ B ∆ ABC B PB Qª ȵ 2 *T 2 *T 2 *T ∆ ABCª ȵ AB B ACª xµ O B ∆ ABC B PQ B AB B AC B 8604 (1)= UCµ , 2 ^Nhµª* P•ç A (2), (3)hµª 2^ … @{óEQƒ^eÑp N, P, C A ¨µª*ÐyóE V 20 hµª* 2^ 5 hWC C 6 pµª*ÐyóE W 8605 10 •ç µ C Uˆ * Ñ ‰p{óEÿyð` ó e ^ ƒ , 1, 2, 3, ……, 10(* Ñ ð ) N (Ñ ð ) ¥ á * ¥á * ª µ 2N h ^ , ⇒µ 2 ] *ª 1, 3, 5, 7 → , 4 , 1, 2, 3, 8, 9, 10 → , 6 , 1, 2, 4, 8, 9, 10 → , 6 , 1, 3, 5,(7´ * ã→§[ p * ª ª [¨ µ 4 + 6 + 6 = 16 ...
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