123 Addition, Practice included, , + personal order3

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. ~~~
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123 Addition, Practice included, , + personal order

Arithmetic Addition (+) on Mathematics :123 Easy Teaching , practice included Click here

Special Offer ≅ 3.5 USD ( 70% off , 1 USD ≅ 30 TWD )

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

Welcome the group order, there is a special price ≅ 0.5 USD.

Please feel free to
Click here to download 123 Addition (trial version) free.

Price TWD 300 Special Offer TWD 100

Welcome the group order,  there will be different prices. 

Here is a free trial version. 

The learning of addition practice is a necessary foundation for students to get started.

Please feel free to 
Click here to download 123 Addition (trial version) free.

The content requires a password.


Free to try it for 30 days (1 months). 

Only for you, you decide whether to pay or not.

It is free to be used at the beginning, free use and then pay after use. 
If you feel that it is helpful and effective, 
then please pay by placing the order.

Only for personal use. Do not forward it or use it for commercial purposes.

You decide whether to pay or not.
Welcome to provide your valuable opinions or related comments. 

Thank you for your cooperations and your kind supports.

 As long as 1 USD make your child's math skills become good, it is worthwhile to choose to download interactive learning files on site.  It is the best choice.


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

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.

123 123 123 123 123 123   123 123 123 123 123 123 

personal order :


Click here to download 123 Addition 

for personal order

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

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.


Please refer to


Click here to Subscription Process youtube video.

Click here to graphic Subscription explanation

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


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 easy teaching isbn 9789574357598

123, PERSONAL ORDER 1155245