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单位圆上的cos和sin
Author:
许业成
GeoGebra
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百分數及其應用
盈利與虧蝕
球体的截面
第八周作业1
湖南省中职数学教师省培(GeoGebra培训案例)
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立方體拿走4塊
圓的軌跡
國徽
ycmc P5 Math lesson 1-2
z=g(x,y)函数图像
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Functions
Trigonometric Functions
Straight Lines
Area
Special Points