【摘要】對(duì)數(shù)的運(yùn)算性質(zhì)課前練習(xí):333log1log3log27lnlg1007lg142lglg7lg183e?????????⑴給出四個(gè)等式:1)lg(lg10)0;2)lg(ln)0;3)e??2若
2025-11-08 22:49
【摘要】對(duì)數(shù)的運(yùn)算華南師范大學(xué)徐小青一般地,如果??1,0??aaa的b次冪等于N,就是Nab?,那么數(shù)b叫做以a為底N的對(duì)數(shù),記作bNa?loga叫做對(duì)數(shù)的底數(shù),N叫做真數(shù)。定義:復(fù)習(xí)上節(jié)內(nèi)容例如:1642?????216log
2025-10-02 18:59
【摘要】對(duì)數(shù)的運(yùn)算一般地,如果??1,0??aaa的b次冪等于N,就是Nab?,那么數(shù)b叫做以a為底N的對(duì)數(shù),記作bNa?loga叫做對(duì)數(shù)的底數(shù),N叫做真數(shù)。定義:復(fù)習(xí)上節(jié)內(nèi)容有關(guān)性質(zhì):⑴負(fù)數(shù)與零沒(méi)有對(duì)數(shù)(∵在指數(shù)式中N0)⑵,0
2025-11-03 17:12
【摘要】對(duì)數(shù)與對(duì)數(shù)運(yùn)算1、知識(shí)點(diǎn)總結(jié)1、定義:一般地,如果,那么數(shù)叫做以,注意:(1)(2)(3)對(duì)數(shù)恒等式:2、對(duì)數(shù)的運(yùn)算性質(zhì)如果(3)3、自然對(duì)數(shù)與常用對(duì)數(shù),寫(xiě)作:(2)常用對(duì)數(shù):,寫(xiě)作:4、換底公式:2、例題解析例1、將下列指數(shù)式轉(zhuǎn)化為對(duì)數(shù)式,對(duì)數(shù)
2025-06-17 13:40
【摘要】第一章基本初等函數(shù)(Ⅰ)單元復(fù)習(xí)第二課時(shí)對(duì)數(shù)函數(shù)和冪函數(shù)知識(shí)框架對(duì)數(shù)的運(yùn)算對(duì)數(shù)與對(duì)數(shù)運(yùn)算對(duì)數(shù)的概念概念對(duì)數(shù)函數(shù)圖象性質(zhì)換底公式冪函數(shù)概念圖象指數(shù)函數(shù)反函數(shù)綜合應(yīng)用例1(2022年高考湖南卷文科第13題)
2025-07-22 22:57
2025-10-31 23:27
【摘要】第一篇:對(duì)數(shù)與對(duì)數(shù)運(yùn)算(課時(shí)1)公開(kāi)課教案 對(duì)數(shù)與對(duì)數(shù)運(yùn)算 教學(xué)目的: (1)理解對(duì)數(shù)的概念;(2)能夠說(shuō)明對(duì)數(shù)與指數(shù)的關(guān)系;(3)掌握對(duì)數(shù)式與指數(shù)式的相互轉(zhuǎn)化. 教學(xué)重點(diǎn):對(duì)數(shù)的概念,對(duì)數(shù)式...
2025-10-13 02:27
【摘要】對(duì)數(shù)與對(duì)數(shù)運(yùn)算學(xué)生:一.課前預(yù)習(xí)一般地,如果,那么數(shù)x叫做以a為底,其中a叫做對(duì)數(shù)的底數(shù),N叫做真數(shù)通常我們將以10為底的對(duì)數(shù)叫做常用對(duì)數(shù),并把常用對(duì)數(shù)記為_(kāi)________.在科學(xué)技術(shù)中常使用以無(wú)理數(shù)e=……為底的對(duì)數(shù),以e為底的對(duì)數(shù)叫自然對(duì)數(shù),并把自然對(duì)數(shù)記為_(kāi)________.
2025-11-14 15:10
【摘要】竭力為客戶(hù)提供滿意的產(chǎn)品和服務(wù)對(duì)數(shù)與對(duì)數(shù)運(yùn)算1、知識(shí)點(diǎn)總結(jié)1、定義:一般地,如果,那么數(shù)叫做以,注意:(1)(2)(3)對(duì)數(shù)恒等式:2、對(duì)數(shù)的運(yùn)算性質(zhì)如果(3)3、自然對(duì)數(shù)與常用對(duì)數(shù),寫(xiě)作:(2)常用對(duì)數(shù):,寫(xiě)作:4、換底公式:2、例題解析例1、將下
2025-07-26 02:29