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焦点弦1
Author:
liu
GeoGebra
New Resources
三角函数 的副本
直線的斜率：水平變化 & 鉛垂變化
折扣
百分數及其應用
第八周作业
Discover Resources
只跳躍一次的函數
斯霍滕(Schooten)定理(與角平分線定理等價)
二維
滾球平台
複數：正方形內的正方形
Discover Topics
Equations
Statistical Characteristics
Complex Numbers
Arithmetic Operations
Equilateral Triangles