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三角形全等的理由 – 題2
Author:
Anthony OR 柯志明
Topic:
Congruence
,
Triangles
GeoGebra
Anthony Or. Education Bureau, Hong Kong.
New Resources
拼砌四邊形
兩位數加法
算柱 (兩位數)
畫出對稱圖形
球体的体积推导（优化版）
Discover Resources
象限
正立方體的截痕
test
中位线的副本
分苹果除法
Discover Topics
Linear Functions
Perimeter
Right Triangles
Rhombus
Similar Triangles