这是一款用于计算的小游戏软件，玩家可在软件里挑战心算，每道题有十秒钟的计算时间，每答对一道会直接进入下一题。
心算计时挑战
by Mildred Penn
What is it about?
这是一款用于计算的小游戏软件，玩家可在软件里挑战心算，每道题有十秒钟的计算时间，每答对一道会直接进入下一题。
App Store Description
这是一款用于计算的小游戏软件，玩家可在软件里挑战心算，每道题有十秒钟的计算时间，每答对一道会直接进入下一题。
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AppAdvice does not own this application and only provides images and links contained in the iTunes Search API, to help our users find the best apps to download. If you are the developer of this app and would like your information removed, please send a request to takedown@appadvice.com and your information will be removed.