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內切圓
Author:
楊明德
Topic:
Incircle or Inscribed Circle
GeoGebra
New Resources
找出對稱軸
兩位數除以一位數（一）
拼砌四邊形
四邉形 (四年級) 教師版
球體建築師
Discover Resources
反射路徑(角落進洞)
探究平行四邊形面積
指数函数的副本
翰林數學_2下_CH3-2_SSS作圖
点动成线
Discover Topics
Cosine
Arithmetic Mean
Correlation
Differential Equation
Combinatorics