【總結(jié)】第一篇:對(duì)數(shù)與對(duì)數(shù)運(yùn)算導(dǎo)學(xué)案第一課時(shí) 對(duì)數(shù)與對(duì)數(shù)運(yùn)算(第一課時(shí)) 一、學(xué)習(xí)目標(biāo) 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。 二、學(xué)習(xí)重點(diǎn) ①理解對(duì)數(shù)的概念...
2024-10-24 22:23
【總結(jié)】性質(zhì):NaNa?log)4(01log)1(?a1log)2(?aa沒有對(duì)數(shù))負(fù)數(shù)和(03(,)(,)()(,)()()mnmnmmnnmnmnnnnaaamnRaamnRaaamnRababnR????
2024-11-20 23:57
【總結(jié)】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:前課復(fù)習(xí)舉例:1642?????216log4?100102?2100log
2025-01-14 11:35
【總結(jié)】對(duì)數(shù)的運(yùn)算廣東仲元中學(xué)一般地,如果的b次冪等于N,就是,那么數(shù)b叫做以a為底N的對(duì)數(shù),記作a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)與零沒有對(duì)數(shù)(∵在指數(shù)式中N0)⑵⑶對(duì)數(shù)恒等式復(fù)習(xí)上節(jié)內(nèi)容
2024-11-10 04:19
【總結(jié)】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
【總結(jié)】理解對(duì)數(shù)的概念及其運(yùn)算性質(zhì);了解對(duì)數(shù)換底公式,能將一般對(duì)數(shù)轉(zhuǎn)化成自然對(duì)數(shù)或常用對(duì)數(shù);了解對(duì)數(shù)的概念;理解對(duì)數(shù)函數(shù)的性質(zhì),會(huì)畫對(duì)數(shù)函數(shù)的圖象;了解指數(shù)函數(shù)與對(duì)數(shù)函數(shù)互為反函數(shù).????????122212log(01)1()()1A2
2025-05-15 07:20
【總結(jié)】高一數(shù)學(xué)函數(shù)的單調(diào)性、奇偶性經(jīng)典例題透析類型一、指數(shù)式與對(duì)數(shù)式互化及其應(yīng)用 1.將下列指數(shù)式與對(duì)數(shù)式互化: (1);(2);(3);(4);(5);(6). 思路點(diǎn)撥:運(yùn)用對(duì)數(shù)的定義進(jìn)行互化. 解:(1);(2);
2025-03-25 00:39
【總結(jié)】對(duì)數(shù)與對(duì)數(shù)運(yùn)算[備用習(xí)題]()A.10410753aaaaa???B.6522)(yxyxyxy???C.8157332babaabba?D.33)1255(?=5+125125521253??答案:Ba0,r,s∈Q,以下運(yùn)算中正確
2024-12-08 01:57
【總結(jié)】對(duì)數(shù)的運(yùn)算性質(zhì)與換底公式bNNaab???log指數(shù)真數(shù)底數(shù)對(duì)數(shù)冪底數(shù)指數(shù)式對(duì)數(shù)式0,10aaNbR????且;;復(fù)習(xí)性質(zhì):log1.aNaa?3.log10a?4.log1aa?
2025-08-05 05:54
【總結(jié)】《對(duì)數(shù)及對(duì)數(shù)函數(shù)》練習(xí)題講解知識(shí)梳理:1、對(duì)數(shù)的定義:如果a(a0,a≠1)的b次冪等于N,就是ab=N,那么數(shù)b叫做a為底N的對(duì)數(shù),記作logaN=b,a叫做對(duì)數(shù)的底數(shù),N叫做真數(shù)。(N0)2、指數(shù)和對(duì)數(shù)的關(guān)系:3、對(duì)數(shù)恒等式:∴,,4、運(yùn)算法則:5、換底公式:6、兩個(gè)較為常用的推論:1°
【總結(jié)】對(duì)數(shù)與對(duì)數(shù)運(yùn)算第一課時(shí)對(duì)數(shù)的概念三維目標(biāo)定向〖知識(shí)與技能〗理解對(duì)數(shù)的概念,掌握對(duì)數(shù)恒等式及常用對(duì)數(shù)的概念,領(lǐng)會(huì)對(duì)數(shù)與指數(shù)的關(guān)系?!歼^(guò)程與方法〗從指數(shù)函數(shù)入手,引出對(duì)數(shù)的概念及指數(shù)式與對(duì)數(shù)式的關(guān)系,得到對(duì)數(shù)的三條性質(zhì)及對(duì)數(shù)恒等式?!记楦小B(tài)度與價(jià)值觀〗增強(qiáng)數(shù)學(xué)的理性思維能力及用普遍聯(lián)系、變化發(fā)展的眼光看待問(wèn)題的能
【總結(jié)】對(duì)數(shù)與對(duì)數(shù)運(yùn)算(二)一般地,如果a(a0且a1)的b次冪等于N,就是ab=N,那么數(shù)b就叫做以a為底N的對(duì)數(shù),記作:logaN=b,其中a叫做底數(shù),N叫做真數(shù)。?復(fù)習(xí)引入10??aa且其中底數(shù)注:0?N真數(shù)2.指數(shù)式與對(duì)數(shù)式的互化)10(lo
2025-08-05 05:08
【總結(jié)】(1)對(duì)數(shù)的定義①若,則叫做以為底的對(duì)數(shù),記作,其中叫做底數(shù),叫做真數(shù).②負(fù)數(shù)和零沒有對(duì)數(shù).③對(duì)數(shù)式與指數(shù)式的互化:.(2)幾個(gè)重要的對(duì)數(shù)恒等式,,.(3)常用對(duì)數(shù)與自然對(duì)數(shù)常用對(duì)數(shù):,即;自然對(duì)數(shù):,即(其中…).(4)對(duì)數(shù)的運(yùn)算性質(zhì)如果,那么①加法:②減法:③數(shù)乘:④⑤⑥換底公式:
2025-05-16 03:53
【總結(jié)】課前自主學(xué)案溫故夯基1.冪的有關(guān)運(yùn)算性質(zhì)(1)am·an=_______.(2)am÷an=_________.(3)(am)n=_________.(4)(ab)n=_______.(5)(ab)n=
2025-08-05 05:46
【總結(jié)】第一篇:對(duì)數(shù)運(yùn)算教學(xué)反思 發(fā)表時(shí)間:2014/12/9來(lái)源:《教育學(xué)》2014年9月總第70期供稿作者:方俊 [導(dǎo)讀]高中的學(xué)習(xí)是為以后大學(xué)的學(xué)習(xí)或者走向社會(huì)做準(zhǔn)備的,合作探究可以讓學(xué)生更獨(dú)立,更...
2024-10-24 22:47