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Author:
Pychiel Zheng
Topic:
Congruence
,
Mathematics
,
Triangles
GeoGebra
New Resources
找出對稱軸
四邉形 (四年級) 教師版
算柱 (兩位數)
球体的体积推导（优化版）
判斷球體
Discover Resources
畢氏定理變裝證明
三角形與六邊形的結合
旁心
三角函数变换
半圆的滚动
Discover Topics
Linear Programming or Linear Optimization
Definite Integral
Straight Lines
Continuity
Step Functions