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matrix of rotation transformation
Author:
华杰 苏
Topic:
Matrices
GeoGebra
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兩組對邊相等和有直角的四邊形
拼砌四邊形
算柱 (兩位數)
直角坐標平面上的旋轉變換
【案例】2018年全国1卷理科12题
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指數的對稱性
IMO2014C
trigonometry1
同側AP-BP最大值
正立方體->菱形十二面體(滑桿動畫)
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Special Points
Isosceles Triangles
Sequences and Series
Variance
Cube