Learn mental arithemtics with Professor Beaver and his other students. Solve the exercises to train the four basic operations in three different levels of difficulty. Play under time pressure and earn as many badges as possible or use the training mode to improve your skills bit by bit.
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免費玩Professor Beaver App
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 未知 | Android Google Play | 1.0.4 App下載 | EUR$0.79 | 1970-01-01 | 2015-03-11 | |
| 未知 | iOS App Store | 1.1 App下載 | $0.99 | 2013-09-13 | 2015-06-04 |
