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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
四邊形的特性
柱體建築師
直角坐標平面上的旋轉變換
三位數除以一位數（二）
異分母分數減法
Discover Resources
圓餅圖
Ladder on Wall
比較角的大小2
St. Line
折扣 例4的副本
Discover Topics
Geometric Transformations
Boxplot
Hypergeometric Distribution
Statistical Characteristics
Expected Value