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根據百分率找數量（二）: 例4
Author:
GeoGebra Institute of Hong Kong
Topic:
Percentages
GeoGebra
New Resources
直角坐標平面上的旋轉變換
四邉形 (四年級) 教師版
球體建築師
Fibonacci Clock
算柱 (兩位數)
Discover Resources
二維碰撞
PMC 2014-15 ans
判別線型函數(隨機出題)
物理問題
中垂線
Compare areas by cutting shapes Q3
Discover Topics
Coordinates
Parabola
Line Segment
Functions
Quadratic Equations