应用介绍

一个有趣的方法来学习数学。全神贯注于某事5水平的数量与一个黑板面向问题会议。 你的工作:选择较大的身边!就这么简单。是快速和准确的交叉水平。 A fun way to learn mathematics. Be engrossed in 5 levels of number oriented question session with a chalkboard. Your job: Picking the larger side! It's that simple. Be quick and accurate to cross levels.