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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
美國國旗 (Claude 版)
四邊形的特性
畫出對稱圖形
Earth with coastline
拼砌四邊形
Discover Resources
邊長與三角形 數學教室(1/4)
Sequence指令練習(二維)
真方位角與羅盤方位角
Compare areas by cutting shapes Q1
重疊法
Discover Topics
Logarithm
Fractions
Numbers
Real Numbers
Subtraction