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包含除法（1 ÷分數）的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
Topic:
Fractions
GeoGebra
New Resources
直角坐標平面上的旋轉變換
拼砌四邊形
算柱 (兩位數)
兩組對邊相等和有直角的四邊形
異分母分數減法
Discover Resources
Copy of 部分佔全部的百分率: 例1
Klein Bottle
從到兩邊等距的點
gjh-g04-01 差的平方公式
Binary Clock 二进制时钟
Discover Topics
Probability
Mode
Sphere
Exponent
Planes