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变化的三角形的垂心.许兴华数学
Author:
许兴华数学
Topic:
Orthocenter
,
Triangles
GeoGebra
New Resources
球體建築師
柱體建築師
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
中點軌跡(動點在兩圓上)
HKMO 2008 Question 3 Demonstration (Geometric Construction)
triangle
課堂工作紙(二)
旋轉正方形
Discover Topics
Hypothesis Testing
Unit Circle
Set Theory
Derivative
Hyperbola