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直角三角形的三角比
Author:
+x sir
GeoGebra
New Resources
錐體建築師
畫出對稱圖形
拼砌四邊形
三位數除以一位數（一）
找出對稱軸
Discover Resources
估算分數對應的百分數
藝術著色
ie 1
推移矩陣（y 方向）
(001)80201辛宇婕
Discover Topics
Straight Lines
Boxplot
Random Experiments
Differential Equation
Matrices