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二维矢量简介

Topics in 二维矢量简介

Numbered in the order to learn them.

  1. 回顾：全等变换保持边长、角度和面积不变

  2. 变换：复数的螺旋相似性

  3. 方程式中的两个比例

  4. 回顾：弧度和角度

  5. 根数和指数

  6. What is perimeter?

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