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二分法优化版（视频教程见https://www.bilibili.com/video/BV1ST4y1F78g）
Author:
赵林
GeoGebra
New Resources
四邊形的特性
第八周作业
画直线等分三角形的面积
拼砌四邊形
判斷球體
Discover Resources
動畫
觀察軌跡
clock
雙曲線的定義
拋物線5--包絡線法
Discover Topics
Constructions
Conditional Probability
Arithmetic Operations
Trigonometric Functions
Equilateral Triangles