心算步数 － 心算口诀天天练 app for iPhone and iPad
4.6 (
2736 ratings )
Entertainment
Developer: QiuLong Zhou
Free
Current version: 1.3, last update: 7 years agoFirst release : 28 Jun 2016
App size: 9.51 Mb
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