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Author:
lzp80
GeoGebra
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直角坐標平面上的旋轉變換
錐體建築師
兩組對邊相等和有直角的四邊形
小数 的副本
【案例】2018年全国1卷理科12题
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四邊形四個九點圓共點(九點心)
Parameter
GGB5
Hamid Naderi Yeganeh segment1
長方形的對稱軸
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Parametric Curves
Differential Calculus
Circle
Trigonometric Functions
Rotation