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Collective order: Welcome group orders and use by the group. Please respect the author's intellectual property rights, and use the content of 123 Easy Teaching reasonably. ~~~ ~~~ 團購: 歡迎集體訂購使用.請尊重作者擁有智慧財產權, 合理的使用著作內容. ~~~


The trial version content requires a password.
Here is the password (no charge for trial version).
Welcome to download and use interactive features.


Click here to download 123 Addition trial version free.


password:123merry addition 



"下載" means "Download".

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When I open the pdf file, there will be Chinese characters"請輸入密碼". What does it mean? What do I do?

"請輸入密碼" said that "please enter the password", just enter the password, you can open the file.

The trial version:

123 Subtraction (trial version) 123 © h.h.y.c. from 123merry , password:123merry


The trial version content requires a password.
Here is the password (no charge for trial version).
Welcome to download and use interactive features.


Click here to download 123 Subtraction trial version free.


password:123merry  



The trial version:123 Multiplication (trial version) 123 © h.h.y.c. from 123merry , password:123merry 

The trial version content requires a password.
Here is the password (no charge for trial version).
Welcome to download and use interactive features.



Click here to download your multiplication trial version free.


password:123merry



The trial version:123 Multiplication (trial version) 123 © h.h.y.c. from 123merry , password:123merry 

The trial version content requires a password.
Here is the password (no charge for trial version).
Welcome to download and use interactive features.



Click here to download Division trial version free.


password:123merry





"下載" means "Download".

13443f660ba7d834e2d6ea46846dabda.jpg


When I open the pdf file, there will be Chinese characters"請輸入密碼". What does it mean? What do I do?

"請輸入密碼" said that "please enter the password", just enter the password, you can open the file.






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Notice that the equation is changed interactively when the cursor was moved closely. 

Because the fixed graphics JPG files were posted on site, so there is no interactive effect on site.
If you want to experience dynamic teaching effects, please download the interactive pdf file, welcome to download and get the interactive  functions. After downloading, experience the new learning method, interactive learning on PC.  The computers with larger screens, such as notebook computers are suggested. Smart phones do not support the interactive functions.

Currently, because the (amazon) e-book readers are temporarily unable to get interactive function on the e-book readers.

Please download the following interactive pdf files on the site. Welcome to experience the interactive teaching and share 123 site to more people to increase the fun of learning.

Click here to continue interactive features demo 1 on youtube.
https://youtu.be/0JVufaSat7k


Click here to continue interactive features demo 2 on youtube.

https://youtu.be/3ZcJpUYHGH8

123  motion demo

Click here to continue your download.

 Or, please download the following interactive pdf files

123merry part E.pdf

 

 Nobel-level masters and mathematics professors and scholars jointly recommend.