S6 Ch1.3 首n項之和

672

0

t1917

By: t1917

Date Uploaded: 07/13/2020

Tags: S6   math  

利用公式求等差數列的首n項之和。

Share

Share

Embed

Copy and paste this code into your website or blog.

Add To

You must login to add videos to your playlists.

Comments

0 Comments total

or Register to post comments.

No comments have been posted for this video yet.