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waaachen
Author:
陳兪宏
waaachen
GeoGebra
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球體建築師
画直线等分三角形的面积
錐體建築師
算柱 (兩位數)
球体的体积推导（优化版）
Discover Resources
由組織圖到頻數多邊形
Addition and Subtraction of Polynomials(多項式的加減法)
國旗腳踏車
等分圓製作
立体几何
Discover Topics
Similarity Transformation or Similarity
Geometry
Logarithmic Functions
Dilation
Set Theory