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Copy of 包含除法（1 ÷分數）
Author:
許琦
,
GeoGebra Institute of Hong Kong
Topic:
Fractions
GeoGebra
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算柱 (兩位數)
四邊形的特性
兩位數除以一位數（二）
兩位數加法
兩組對邊相等和有直角的四邊形
Discover Resources
練習－由一元二次方程判別根的數目
內積
用圓作成的三角形
三心
認識角度
Discover Topics
Cosine
Curve Sketching
Normal Distribution
Arithmetic Mean
Cylinder