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探索“三等分点连线围成的小三角形”的特点
Author:
吴光蕴
GeoGebra
New Resources
球体的体积推导
【案例】圆柱体内放置一个大球六个小球
找出對稱軸
判斷球體
四邉形 (四年級) 教師版
Discover Resources
congruent (SSS) 5
Graph of cosine
分數約分
「相似三角形」任务4的副本
多普勒3D
Discover Topics
Terms
Percentages
Functions
Cylinder
Orthocenter