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vector addition and subtraction
Author:
sealion1215
GeoGebra
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正方形雪花图案
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T7 geobra
給定適當的折射率，模擬G點看到的物體成像
反射對稱
Simulation of the uniform variable linear motion with GeoGebra
拋物線軌跡
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Sine
Cosine
Geometry
Linear Functions
Prism