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根據百分率找數量（一）:例1的副本
Author:
音节-Lisa
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
近似值：有效數字
異分母分數減法
四邊形的特性
兩位數除以一位數（一）
Discover Resources
Tracing the Cosine Graph
可互相控制的動點與滑桿
題一
gjh-g04-01 差的平方公式
[洋葱] 与相似有关的定值问题-Q2
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Geometry
Complex Numbers
Symmetry
Normal Distribution
Triangles