组合和排列的公式,最好举例
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 15:33:48
xXNKA6FIt4/3Qc|\@ vI)0kn
:'pWjaWe.!R*%koU.mVrDfμxÓV^*6U*λjvelz,Ń}oW\u2ݡOFvjfRN+Ӓ3SR9.{xR{*`6>jVtcMh}'4Fa[ia־/FJPvZfn0avX:K!Ix_T"gՓGJ
^T97+2so]K'QD2tX#oTp-+~Rav#m1cUWR)4E6g7^7:~z٦uT{cۯ[֑=NfW؆
5b+8kt#JO'U#,łx4sD28K^6Xic;RKĉ\BfJgQNedwW[kvD,tA*p
_́EB,{f=W2 :PƱãrh4-^& B&Jӟe+ek:MZ葟GQ"=8tJ1.?~iXmB 3%cN]@Zk|vX2v_"B# ȟB0lLcm,n16l&nWYeL~6^a˭p?
%qC@u>9>%^H##&k;xFUϫJ-,=]`7o3sVrr2sd各+ɞ\52X}7XD4yx4QyPklЬ<[NT 2qdjx`e+Yxwpj.s/c7< VA}c>5)F@?`[䀨u5e8De*&sL*$x}s]9K N<v{>pK:}3
QN _H
rh䘅'@=gj
RԻe fA',l|,/arC
68BE[80 EM1<˩)0/S0ijavb;kHyF}
?c`q]DŽ\ RɊ#5/2k&4~)U*QI]ק;(jm.~ijG=0Pi8*XEбno1'e P q\`4X0)Ge\C;(y2PͼקM1jz:jQG#4y,uv(t#`Eb78V:U
(
>Fw%ek뢄\{A@;x$
&1`cu:
GR
\Ztu*SaZmgb>fNhMfO 0L4\X?w6ُ#x8_pc(