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Rotating a triangle
作者：
Tania_Rios
GeoGebra
最新資源
Conditions for Parallel Lines
Trammel of Archimedes
Erdős's problem #503, n=3
Vectors: Addition and Subtraction - The Parallelogram Law
Loyd's Two-Greek-Crosses-to-a-Square Dissection
探索資源
Forum_29897_A
diametr
ROTASI
εμβ4
Pappus area theorem-1
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長方體
角柱
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