邢唷 > ? ? 欹 € 鳵 bjbj 8$ 趠 趠 R ) ) ) ) ) = = = 8 u D = ? 4 / ?# A# A# A# A# A# A# $ z% ( L e# ! ) K K K e# ) ) 4 ? u u u K \ ) ) ?# u K ?# u u V 3" @ ? ` 籨坼 = @ s" +# ? 0 ? " x h( ? ? h( T ? $ ) ? 4 K K u K K K K K e# e# u K K K ? K K K K ? K K K K K K K K K : 趎≧瓔脋1 4 1 BlNRNI{_膥 剉銐茤 1 - 6 x 2 + 2 x 2 3 d"0 4 1 5 5 x 0 . 2 6 5 x + 2 2 7 l g x + 1 l g 3 - x 8 l o g 0 . 2 x - 2 1 NI{_膥 1 0 銐NI{_膥 x "[ 0 2 ] 歔IN遅:N 騗鍂茤TA = { x | x 2 - 2 x - 3 0 } 茤TB = { x | 2 x + 1 1 } R"B A = NI{_k x 2 + k x - 0 鵞 NR瀃pex 龕b藌Rk 剉諷