Mathematics
Senior High
画像の式変形が分かりません
5
Pn
10P1 9C3 20Cn-4 (n-1)!
30Pn--10E
.
=
61-10
840 20! (30- n)!(n − 1)!
30! (24 n)!(n − 4)!
●
Answers
No answer yet
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
Recommended
詳説【数学Ⅰ】第一章 数と式～整式・実数・不等式～
8996
117
詳説【数学Ⅰ】第二章 ２次関数（後半）～最大・最小・不等式～
6135
25
数学ⅠA公式集
5744
20
詳説【数学Ⅰ】第二章 ２次関数（前半）～関数とグラフ～
5156
18