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1984全国文17
Author:
常振虎
GeoGebra
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直角坐標平面上的旋轉變換
找出對稱軸
sanjiaohanshu
近似值：有效數字
Nested spiral octagon
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商高定理之正三角形2
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5，求 ad - bc 最大值？
方圓面積
三角形
CBTL_science_rcpet
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Boxplot
Geometric Transformations
Linear Regression
Correlation
Cuboid