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根據百分率找數量（二）: 例1的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
Nested spiral octagon
美國國旗 (Claude 版)
四邊形的特性
Fibonacci Clock
兩組對邊相等和有直角的四邊形
Discover Resources
中国GeoGebra用户认证说明
不規則圖形的周界(step3)
四角柱(底面、高可調整)
五上複合圖形的面積
基础知识
Discover Topics
Kite
Rational Numbers
Angles
Conditional Probability
Difference and Slope