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三個交點
Author:
ray10430157
GeoGebra
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画直线等分三角形的面积
拼砌四邊形
【案例】2018年全国1卷理科12题
球體建築師
兩組對邊相等的四邊形
Discover Resources
中三 樹形圖
Angle at Centre Twice Angle at Circumference
指数函数
凹透镜
Tool3P4P之二
Discover Topics
Vectors 2D (Two-Dimensional)
Special Points
Optimization Problems
Quadrilaterals
Trigonometric Functions