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Question 1
Autor:
Arthur Lee
圖中有一組藍色的線。移動紅點可改變其中一條線的角度。圖中可以出現最多幾多對互相垂直的藍線？
GeoGebra
答案：四對
Neue Materialien
Two Triangle Theorem
Nikmati Keunggulan Di Bandar Judi Terpercaya
z`]]
Proving Triangles Similar: Multistep Transformations
Position Vector and Derivative Vector
Entdecke Materialien
Linear function
עניין של דמיון
trapezoid
November 16
Hyperbolic Cylinder Views
Entdecke weitere Themen
Verhältnisse
Ellipse
Lineare Gleichungen
Spiegelung
Kombinatorik