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求公切線段長
Author:
Gideon Huang
GeoGebra
New Resources
柱體建築師
直角坐標平面上的旋轉變換
判斷球體
sanjiaohanshu
算柱 (兩位數)
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[問題] a² + b² = 1, (c-4)² + (d-2)² = 5,求 ad - bc 最大值?
正十二面體展開圖
三角形中線定理求最小值
與兩圓相切之圓心雙曲線軌跡
活工(一)Q4
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Equilateral Triangles
Trigonometric Functions
Translation
Functions
Vectors 2D (Two-Dimensional)