同物排列：例2同字不相鄰（建議反面解法）
Synopsis
排列組合.
![【iMath 劉星老師(劉捷數學)】[第二章 排列組合][不儘相異物排列--同字不相鄰(取捨原理)][高一數學][段考複習必看]來自台大電機 教學品質保證](https://i.ytimg.com/vi/8rC-9HDyugU/hq720.jpg?sqp=-oaymwE2CNAFEJQDSFXyq4qpAygIARUAAIhCGAFwAcABBvABAfgB_gmAAtAFigIMCAAQARhyIFMoNjAP&rs=AOn4CLAs7isytt3BAzZBJucs9PBWopR2_Q)
Download Options
Choose a download method below. All links open in new tabs.
| Service | Features | Action |
|---|---|---|
| Ssvid |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
| SaveFrom |
MP4 & MP3 • HD Quality • Browser Extension Available
|
Download |
Security Notice: These are third-party services. We recommend using antivirus software and being cautious of pop-up ads.