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Ice Mountain
Author:
陳隆期
GeoGebra
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兩位數加法
兩組對邊相等和有直角的四邊形
三位數除以一位數(一)
算柱 (兩位數)
画直线等分三角形的面积
Discover Resources
立體圖形的截面
Similar triangles
一元二次方程式-應用問題(兩圓相切-3)
三視圖03
两角和的正弦公式几何证明1
Discover Topics
Cosine
Variance
Tree Diagrams
Set Theory
Special Points