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一筆畫
Author:
周錦鋒
GeoGebra
GeoGebra
New Resources
判斷球體
四邉形 (四年級) 教師版
兩組對邊相等和有直角的四邊形
畫出對稱圖形
球体的体积推导（优化版）
Discover Resources
阿波羅尼亞圓
大圓在小圓上滾動(利用Affineratio指令)
Space-filling curve
P4_四下_面積（一）(教師版)
PMC 2018-19
Discover Topics
Intersection
Integers
Arithmetic Operations
Division
Polynomial Functions