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三角形三边关系和三线
Author:
Pychiel Zheng
Topic:
Triangles
GeoGebra
New Resources
撒针估算面积实验
百分數及其應用
异形操场
平行線的判定
第八周作业3
Discover Resources
教學－面與面的夾角
angle 123
Geometry: Types of Angles 2 (幾何：角的種類 2)
百分數：折扣 / 賺賠
Copy of 製作組織圖
Discover Topics
Statistics
Equations
Rhombus
Exponential Functions
Vectors 2D (Two-Dimensional)