１分間暗算 Download from App Store
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１分間暗算 app for iPhone and iPad


4.7 ( 7747 ratings )
Entertainment Education
Developer: tokey500
Free
Current version: 1.1, last update: 7 years ago
First release : 02 Apr 2011
App size: 554.44 Kb

This is an application program that challenges how many questions a minute are possible to be made a mental count.