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TOPVINKEL
Author:
user6072
Topvinkler
GeoGebra
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球體建築師
四邉形 (四年級) 教師版
画直线等分三角形的面积
錐體建築師
柱體建築師
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特別角的三角函數值(2)
優良作品2(怡雯)
[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
ex 4
圆内弦(迭代)
Discover Topics
Intersection
Quadrilaterals
Cosine
Calculus
Fractions