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根據百分率找數量（二）: 例2的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
第八周作业
sanjiaohanshu
美國國旗 (Codex 版)
小数 的副本
Earth with coastline
Discover Resources
動態比大小
perd fr ctr bisect
三次函數圖形變化
Ellipse_Vertical
長方體動態展開圖
Discover Topics
Tangent Line or Tangent
Poisson Distribution
Cone
Vectors 2D (Two-Dimensional)
Secant Line or Secant