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內切圓
Author:
楊明德
Topic:
Incircle or Inscribed Circle
GeoGebra
New Resources
拼砌四邊形
畫出對稱圖形
第八周作业
算柱 (兩位數)
兩位數除以一位數（二）
Discover Resources
gltyz 直角三角形旋轉體
螢橋國中 鄭毅華
直角三角形斜邊上的高
Tool3P4P之二
活工(二)Q1
Discover Topics
Constructions
Perimeter
Addition
Vectors 2D (Two-Dimensional)
Trapezium