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三角函数线
Author:
李莹
GeoGebra
New Resources
讀磅
平行線的斜率
漂亮的摇摆曲线
直線的斜率：水平變化 & 鉛垂變化
【案例】2013年安徽高考15题
Discover Resources
line equation
估算分數對應的百分數
Congruent Triangles Demo
二元一次方程式及其解的意義
必修二P101圆柱圆锥圆台
Discover Topics
Differential Equation
Rotation
Cuboid
Translation
Histogram