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Length of Horizontal or Vertical Line Segments 水平或鉛垂線段的長度
Author:
Alex CHIK
Topic:
Line Segment
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
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畫出對稱圖形
兩位數除以一位數（一）
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
画直线等分三角形的面积
Discover Resources
判斷線型函數y=f(x)=ax+b的a值
方塊六面
四角柱(底面、高可調整)
加法(粒條)
複合棒形圖
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LCM and GCD
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Differential Calculus
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