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長方形
Author:
Yin Kelvin Wong
GeoGebra
New Resources
兩組對邊相等的四邊形
判斷球體
錐體建築師
【案例】圆柱体内放置一个大球六个小球
【案例】2018年全国1卷理科12题
Discover Resources
阿基米德(5,6,6)
方格紙上畫正方形3
testing
GGBScript
圆锥曲线的第二定义的副本
Discover Topics
Reflection
Arithmetic Operations
Congruence
Rhombus
Numbers