Latex/CTex/WinEdt 报错：! Extra alignment tab has been changed to \cr
工作环境(蓝色粗体字为特别注意内容)1，系统环境：Win7 Ultimate sp12，软件环境：pdfTeX 3.1415926-2.3-1.40.12 (MiKTeX 2.9)、WinEdt 73,参考文献：https://www.cnblogs.com/qq952693358/p/8046859.html、http://blog.sina.com.cn/s/blog_4c7fada...
