父节点
当前提交
7fa129c6a7
共有 1 个文件被更改,包括 1 次插入2 次删除
  1. 1
    2
      README.md

+ 1
- 2
README.md 查看文件

@@ -396,5 +396,4 @@ Suppose that all courses in Cheo's University are 3 credits each and have the fo
396 396
 
397 397
 [2] http://paulbourke.net/geometry/butterfly/
398 398
 
399
-[3] http://en.wikipedia.org/wiki/Parametric_equation
400
-
399
+[3] http://en.wikipedia.org/wiki/Parametric_equation