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根據百分率找數量（一）: 例2
Autor:
GeoGebra Institute of Hong Kong
Topico(s):
Percentagens
GeoGebra
Novos Materiais
湖南省张毅郴数字教研工作室 logo
四邊形的特性
Earth with coastline
伊朗國旗 (Codex╱2026.10.07)
世界平面地圖 (Codex╱2026.10.07)
Descubra Materiais
Concept of Ratios 比的概念
面積
LinearProgramming
GGB 教程
正弦曲线的生成
Descobrir Tópicos
Números Complexos
Subtração
Números
Ortocentro
Limites