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An angle problem
Author:
liuzhe821
Topic:
Angles
an angle problem
GeoGebra
New Resources
判斷球體
Claude 解幾何題
拼砌四邊形
直角坐標平面上的旋轉變換
第八周作业
Discover Resources
九點圓
Copy of 正方体展开图
長方體動態展開圖
等差数列、等比数列
连续开方（制作：谢建华，修订：孟宝兴）
Discover Topics
Rectangle
Coordinates
Rhombus
Means
Linear Equations