《高中数学 第一章 计数原理 1.5 二项式定理 1.5.1 二项式定理课件 北师大版选修23》由会员分享，可在线阅读，更多相关《高中数学 第一章 计数原理 1.5 二项式定理 1.5.1 二项式定理课件 北师大版选修23（26页珍藏版）》请在金锄头文库上搜索。
1、5 5二项式定理二项式定理5 5.1 1二项式定理ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航1.能
2、用计数原理证明二项式定理.2.掌握二项式定理和二项展开式的通项公式.3.能解决与二项式定理有关的简单问题.ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透
3、析随堂演练目标导航知识梳理典例透析随堂演练目标导航12ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航1
4、2ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航12ZHISHISHULI知识梳理SUITANGYAN
5、LIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航12ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导
6、航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理
7、SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四反思1.(a+b)n的二项展开式有n+1项,是和的形式,各项的幂指数规律是:(1)各项的次数都等于n;(2)字母a按降幂排列,从第一项起,次数由n逐项减1直到0;字母
8、b按升幂排列,从第一项起,次数由0逐项加1直到n.2.逆用二项式定理,可以化简多项式,体现的是整体思想.注意分析已知多项式的特点,向二项展开式的特点靠拢.ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演
9、练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演
10、练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四(1)求n;(2)求含x2的项的系数及二项式系数;(3)求展开式中所有的有理项.分析利用二项展开式的通项公式求解.ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOU
11、XI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识
12、梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识
13、梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四求展开式中的第5项;求展开式中的常数项. ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目
14、标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知
15、识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知
16、识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题
17、型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISH
18、ISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四错因分析:错解中将“二项展开式的某项系数”
19、与“二项展开式的二项式系数”混为一谈.事实上,这是两个既有联系又有区别的概念.当二项式的两项本身的系数都为1时,展开式的二项式系数就是各项系数;当二项式系数本身的系数不都是1时,则另作别论.本题所给二项式第二项的系数不是1,而上面解答却按照系数是1的情形加以处理,因而出错.ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHIS
20、HULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航题型一题型二题型三题型四ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGY
21、ANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航12345ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例
22、透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航12345ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目
23、标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航123453.设(1+x)+(1+x)2+(1+x)6=a0+a1x+a2x2+a6x6,则a1+a2+a6=.答案:120ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DI
24、ANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航12345ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航ZHISHISHULI知识梳理SUITANGYANLIAN随堂演练DIANLITOUXI典例透析目标导航目标导航知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练知识梳理典例透析随堂演练目标导航知识梳理典例透析随堂演练目标导航12345
