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玩家开始游戏时，会给出一个等式，左边是加法，右边是减法，在下方的数字之中选择出正确的数字使等式成立。
数学等式速算反应训练营
by 澳翔 王
What is it about?
玩家开始游戏时，会给出一个等式，左边是加法，右边是减法，在下方的数字之中选择出正确的数字使等式成立。
App Store Description
玩家开始游戏时，会给出一个等式，左边是加法，右边是减法，在下方的数字之中选择出正确的数字使等式成立。
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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.
