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根據百分率找數量（二）: 例4的副本
Author:
冯圣军
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
判斷球體
兩位數除以一位數（一）
【案例】2018年全国1卷理科12题
近似值：有效數字
找出對稱軸
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三次函數圖形、極值、反曲點
String Art
No.1
游戏
椭圆内反射
Discover Topics
Dilation
Scalene Triangles
Polynomial Functions
Differential Calculus
Tangent Line or Tangent