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旋轉正方形
Author:
22吳心妤
GeoGebra
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画直线等分三角形的面积
找出對稱軸
兩組對邊相等的四邊形
三位數除以一位數（一）
四邊形的特性
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斜射光三角量測
过圆上一点作切线，三步
圓柱截痕
F4_Ch9.1
S3 Ch4.1 立體圖形(3D圖) - 十字形棱柱(ViewA)
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Circle
Straight Lines
Trigonometry
Pie Chart or Circle Chart
Line Segment