Use APKPure App
Get 晨晨口算 old version APK for Android
Automatically issue a question, one-click out, the parent teacher is a good helper
Covering a variety of calculations, a good helper for parents
Easy one-click generation, no problem worrying
The answer is hidden, the check is no longer cumbersome
Quick one-click save map for easy printing out of the volume
No more mathematical operations ever since