poweron project
poweron project published 1 application on Google Play, 66 people rated this app with an average rating of 4.26!
Flash Mental Arithmetic"Rome was not built in a day."You will become the world record holder by using this app.In Japanese, Flash mental arithmetic is called "Flash Anzan".Then, "Soroban" (Japanese Abacus) is a traditional education.Let's try this app!This game is designed...
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