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周界 2.1
Author:
spkwan
Topic:
Perimeter
A
GeoGebra
B
GeoGebra
C
GeoGebra
移動邊線。甚麼改變了? 甚麼維持不變?
New Resources
Earth with coastline
畫出對稱圖形
Fibonacci Clock
球體建築師
四邊形的特性
Discover Resources
代數運算:外心座標
Quiz on Angle between a Line and a Plane 線面角:測驗
随机分支长度的二分树
gjc100a34 兩三角形重疊面積比
三角形的面積的副本
Discover Topics
Standard Deviation
Prism
Cuboid
Matrices
Geometric Mean