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心算步数 - 心算口诀天天练


4.6 ( 2736 ratings )
娱乐
开发 QiuLong Zhou
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Through your eyes and intuitively calculate the distance between the ball and its corresponding destination. Each ball speed is the speed of from 1 to 10, 1 is the slowest, 10 is the fastest speed. Choose all the balls speed, allowing them to arrive at their destination at the same time you can win