mathematical problem app for iPhone and iPad


4.0 ( 0 ratings )
Games Puzzle Educational
Developer: Zhen Li
Free
Current version: 2.9, last update: 7 years ago
First release : 18 Mar 2016
App size: 0 Bytes

Choose the right stage for you, then try to do a quick addition to find the target number, do that as soon as you can before time ends.
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