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根據百分率找數量（二）: 例4
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
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拼砌四邊形
兩組對邊相等的四邊形
Earth with coastline
AI 訓練教室
美國國旗 (Codex 版)
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Book
circle
摺紙模板
Ellipse_Vertical
二重積分 (Double Integral)的副本
Discover Topics
Hyperbola
Geometry
Dilation
Tangent Function
Arithmetic Mean