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三角形重心的变化2.许兴华数学
Author:
许兴华数学
Topic:
Geometric Transformations
,
Triangles
GeoGebra
New Resources
第八周作业
畫出對稱圖形
兩組對邊相等和有直角的四邊形
拼砌四邊形
球体的体积推导（优化版）
Discover Resources
雙曲線規
Projection of vector in R2
圈柱切割
Orthocentre
畢氏定理的副本
Discover Topics
Quadrilaterals
Cone
Natural Numbers
Statistics
Frequency Distribution