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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
三位數除以一位數（一）
第八周作业
兩組對邊相等的四邊形
找出對稱軸
sanjiaohanshu
Discover Resources
根據百分率找數量（一）: 例3
單項奇函數
量角器
正四角錐兩側面夾角
vertex
Discover Topics
Plane Figures or Shapes
Upper and Lower Sum or Riemann Sum
Logic
Exponent
Cuboid