2009年江苏高考数学试题评析.pdf

8 高中数学教与学 2009 单墫 (, 210097) , , 1 ( a + c) b y = y = . . , M 2 T 2 ( a - c) . 2 2 , c + ( a + c) = 1, 2 2 ( a - c) 4 (a - c) , , , . 13 14 2 2 c + 100ac - 3a = 0. . () 13 1, xOy 2 2 2 c - 10 + 10 + 4 3 , A x y e = = , A , B , B + = 1( a b 1 2 1 2 2 2 a 2 a b 0) 4, F , A B = 2 7 - 5. 1 2 14 { a } q B 1F T, OT M n OT , , | q | 1, bn = an + 1( n = 1, 2, ), { b } 4 { - 53, - 23, 19, n . 37, 82} , 6q = . { a } 4{-