游戏由两个子游戏，这将训练你的心算。

游戏1：你必须尽快解决15个方程。

游戏2：你必须摧毁传入小行星解决简单的公式。小行星的数量将上升与进步。 简易版本的播放时间是有限的。

新版变化

New permission are necessary to cache full screen ads / more apps list.

Ads will be shown in main menu only!

Added "More Apps" button.

You can now set the custom symbols for the multiplication / division operators.

Fixed bottom problems covered by the answer buttons in Game 2.

You can now set font size for Game 2.

Feel free to contact us, if you experience problems. Thanks!

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