论文部分内容阅读
這一篇是供北京市初中算術教師參考用的,但對全國的初中算術教師来說,也許有相當的參考價值。因此,把它刊登在這裏。為了排版的便利,我們將原作的表格形式改變了一下。
This article is for the reference of junior high school mathematics teachers in Beijing, but it may be of considerable reference value for junior high school mathematics teachers across the country. So publish it here. For the convenience of typesetting, we changed the form of the original form.