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「相似三角形」任务3的副本
Author:
地心引力
,
gklwong
Topic:
Similar Triangles
任务3
GeoGebra
New Resources
畫出對稱圖形
兩位數加法
兩位數除以一位數（一）
兩組對邊相等的四邊形
判斷球體
Discover Resources
ie 7
量角器3
拋物線軌跡（內切型）
百分位數、四份位數和中位數
全排列
Discover Topics
Mode
Tangent Function
Piecewise Functions
Angles
Pie Chart or Circle Chart