等差等比數(shù)列的綜合應(yīng)用課件

1、 掌握等差等比數(shù)列的基本性質(zhì)：如成對(duì)和或積相等問(wèn)題；等差數(shù)列求和S2n1與中項(xiàng)an；能靈活運(yùn)用性質(zhì)解決有關(guān)問(wèn)題.如分組求和技巧整體運(yùn)算.總之，等差數(shù)列考性質(zhì)，等比數(shù)列考定義。51.等差數(shù)列的性質(zhì)1當(dāng)公差d0時(shí),等差數(shù)列的通項(xiàng)公式ana1n1。

2、第第33講講 等差等比數(shù)列的綜合應(yīng)用等差等比數(shù)列的綜合應(yīng)用ACD一等差數(shù)列的性質(zhì)及應(yīng)用一等差數(shù)列的性質(zhì)及應(yīng)用二等比數(shù)列的性質(zhì)及應(yīng)用二等比數(shù)列的性質(zhì)及應(yīng)用三三 等差等比數(shù)列性質(zhì)的綜合應(yīng)用等差等比數(shù)列性質(zhì)的綜合應(yīng)用B。

3、第第33講講 等差等比數(shù)列的綜合應(yīng)用等差等比數(shù)列的綜合應(yīng)用ACD一等差數(shù)列的性質(zhì)及應(yīng)用一等差數(shù)列的性質(zhì)及應(yīng)用二等比數(shù)列的性質(zhì)及應(yīng)用二等比數(shù)列的性質(zhì)及應(yīng)用三三 等差等比數(shù)列性質(zhì)的綜合應(yīng)用等差等比數(shù)列性質(zhì)的綜合應(yīng)用B。