.微博刷到一个帖子，来泥潭求证一下，有没有小学老师可以分析一下？

现在小学的教材还好吗？微博的这个说的是真是假？[s:ac:瞎][s:ac:惊][s:ac:闪光]
[url]https://m.weibo.cn/3284980835/4571313048130364[/url]
附图截图

[img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-8pxdZ16T3cShs-33v.jpg.medium.jpg[/img]
附上下面的对比图

还有评论里分享的八十年代的数学教材全本资料:
[url]https://pan.baidu.com/s/16flttudO4rCe60IueVwAGA[/url]
提取码 159u
[img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-6ivmZwT3cSu0-vc.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-8e06ZtT3cSu0-wg.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-9meqZsT3cSu0-uu.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-9n85ZuT3cSu0-uv.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-ablsZsT3cSu0-uw.jpg.medium.jpg[/img][img]https://img.nga.178.com/attachments/mon_202011/24/-7Q5-jy5rZsT3cSu0-u1.jpg.medium.jpg[/img]