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gjh-g05-00 平方差公式
Author:
均一
GeoGebra
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四邊形的特性
異分母分數減法
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
找出對稱軸
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K9@cn
正方形和長方形有甚麼特性？
仿生獸
座標軸工具
鉛筆的長度
Discover Topics
Plane Figures or Shapes
Coordinates
Linear Functions
Distributions
Secant Line or Secant