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根據百分率找數量（一）: 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
三位數除以一位數（一）
畫出對稱圖形
兩組對邊相等和有直角的四邊形
算柱 (兩位數)
拼砌四邊形
Discover Resources
trigo ratios np2c
分數與小數
活動工作紙LEVEL01
題10
大小不同串珠
Discover Topics
Vectors 2D (Two-Dimensional)
Piecewise Functions
Ratios
Linear Functions
Rhombus