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2-1-8 直線系
Author:
陳家豪
GeoGebra
New Resources
判斷球體
拼砌四邊形
兩組對邊相等和有直角的四邊形
四邉形 (四年級) 教師版
畫出對稱圖形
Discover Resources
圓與兩平行切線
螢橋國中 鄭毅華
阿基米德的異想世界
內含正方形的正方形
对角线交点
Discover Topics
Isosceles Triangles
Rectangle
Symmetry
Histogram
Poisson Distribution