统计图可分为纵向统计图(如左下图)和横向统计图(如右下图),这两种统计图包含很多数学信息,我们要学会从中搜集信息、整理信息。怎样从统计图中搜集信息呢?一、看整体,明主题。不管什么统计图,都有一个主题。在看统计图时,要从整体入手,先看一看主题是什么,表示什么意思。如上统计图,就是要反 Statistics can be divided into longitudinal charts (such as the bottom left) and horizontal charts (such as the bottom right), these two charts contain a lot of mathematical information, we must learn to collect information, organize information. How to collect information from the chart? First, see the whole, Ming theme. No matter what the chart, there is a theme. When looking at the chart, start from the whole, take a look at what the theme is and what it means. As above chart, is to be reversed