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.
password:5101 

Free to try it for 30 days (1 months). 
Only for you, you decide whether to pay or not.

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

Personal order :

Click here to continue your download.            

 1234 MUL123 motion-123 © h.h.y.c. 12345101

for Personal order

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 you show the Subscription process to me?

Yes, you can refer to the process.

Please refer to


https://youtu.be/2y9cf3HBY24

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..

© 2018 Huang Yu Chih. All rights reserved.