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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
算柱 (兩位數)
三位數除以一位數（一）
畫出對稱圖形
【案例】2018年全国1卷理科12题
第八周作业
Discover Resources
旋轉
雙曲線漸近線
equations of circle 2
轴对称
蜗牛壳模型
Discover Topics
Vectors 2D (Two-Dimensional)
Parallelogram
Geometric Mean
Integers
Centroid or Barycenter