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固定面積的圖形周界變化
Author:
phcheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
第八周作业
球體建築師
【案例】圆柱体内放置一个大球六个小球
三位數除以一位數（二）
GeoGebra笔记功能体验课件
Discover Resources
方向餘弦
HOMEWORK
圆与它的外切圆
正四面體反射面
作業
Discover Topics
General Quadrilateral
Tangent Line or Tangent
Median Line
Arithmetic Operations
Addition