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三角形 ABC 的中线
Author:
Xwoder
GeoGebra
New Resources
算柱 (兩位數)
画直线等分三角形的面积
拼砌四邊形
兩組對邊相等的四邊形
第八周作业
Discover Resources
waaachen
足迹
Copy of 平行四邊形
勒洛三角形繞行動畫操作步驟
ckt-任意角
Discover Topics
Similar Triangles
Trigonometric Functions
Scalene Triangles
Line Segment
Ellipse