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根據百分率找數量（一）:例1的副本
Author:
音节-Lisa
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
異分母分數減法
小数 的副本
直角坐標平面上的旋轉變換
畫出對稱圖形
四邉形 (四年級) 教師版
Discover Resources
橢圓
極線獨立定理 / polar independence theorem
P.5_FRACTION_NPMPS
两个经典不等式
可拖动A、B 改变形状
Discover Topics
Addition
Symmetry
Intersection
Plane Figures or Shapes
Cone