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proof30黃煒皓
Author:
郭亮偉
GeoGebra
New Resources
畫出對稱圖形
兩組對邊相等和有直角的四邊形
四邊形的特性
三位數除以一位數（一）
GeoGebra笔记功能体验课件
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Angle in Alternate Segment 3
點到直線距離
test22
拋物線3--平行四邊形法
線性變換對相關係數的影響
Discover Topics
Rhombus
Prism
Equations
Perimeter
Trapezium