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根據百分率找數量（二）: 例3的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
四邊形的特性
錐體建築師
找出對稱軸
画直线等分三角形的面积
Discover Resources
KidEdu
比和比值
f(x) and f(-x)
和差角公式几何证明
第1章知识结构框图
Discover Topics
Geometric Distribution
Arithmetic
Geometry
Statistics
Limits