1. Subscription to Download Interactive e-book

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. ~~~
Home Subscription to Download Interactive e-book 123, PERSONAL ORDER 123 Division ,÷, Practice included, Personal order

123 Division ,÷, Practice included, Personal order

Arithmetic Division on Mathematics Amazon Click here

Special Offer ≅ 6USD ( 40% off , 1 USD ≅ 30 TWD )

The creation of 123 Easy Teaching would not have been possible without the invaluable advice from established educators in the field. I would like to specially thank the following individuals for their approval:
⦁ Professor Lin, Mathematics Department, National Taiwan University
⦁ Professor Huang, Applied Math Department, National Dong Hwa University
⦁ Professor Fu, Applied Math Department, National Chiao Tung University

USD 6 approximatedly ( 1 USD ≅ 30 TWD, 6 USD ≅ 180 TWD)

Price TWD 300 Special Offer TWD 180

How do I subscribe to 123 ?

Subscription process:

Fill out the subscription form and complete the subscription request. When ordering, please be sure to leave an email address that the system can notify you the password. The order system will send an email (payment notification with a password) to your email address as soon as the payment is completed.

Download the interactive e-book files on this website page (find the files as follows)

After completing Subscription to Interactive e-book, please come back here
,you can log in with your password to download and save the 123 file.


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Personal order :

Download the interactive e-book files, please.

Click here to continue your download.            

1234 DIV 123 motion-123 © h.h.y.c. 12345101



for  Personal order



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.

How do I get the password for the PDF e-book file?

Once the payment is complete, the order system will immediately send a ( payment confirmation ) password notification email to your email address.

If you receive the payment confirmation, look down, there will be an attached file below the letter, and then look at the red box content, password is in it, as shown

 Please refer to


Click here to Subscription Process youtube video.

Click here to graphic Subscription explanation

Can I order eBooks on Amazon?
It depends on where you are. If you are in the United Kingdom, the United States, India,... etc., you can order 123 on Amazon.
However, currently because the (amazon) e-book readers are temporarily unable to get interactive function on the e-book readers.


123, PERSONAL ORDER 1150959