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圓周角觀察操作
Author:
陳隆期
GeoGebra
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【案例】2018年全国1卷理科12题
直角坐標平面上的旋轉變換
兩組對邊相等和有直角的四邊形
兩位數除以一位數（一）
找出對稱軸
Discover Resources
七巧板兔子12月坊
空間中正立方體
testing2
三角比一
仿真时钟2.0
Discover Topics
Random Experiments
Function Graph
Vectors 3D (Three-Dimensional)
Equations
Addition