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三角函数
Author:
sk829314
GeoGebra
New Resources
兩位數加法
柱體建築師
四邊形的特性
算柱 (兩位數)
錐體建築師
Discover Resources
正弦函数图像
ego-motion
平行四邊形的高
sin函數
小立方体组合的三视图【鼠标拖动法】
Discover Topics
Special Points
Division
Mode
Cuboid
Piecewise Functions