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barara magic stick
Author:
Rex Chi
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折扣
科赫雪花
正方形雪花图案
龙形曲线-分形龙2
第八周作业
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判斷柱體 6
Arbelos
ggb7黃金螺線
Modular Surface：1 / (1 + z²)
CBTL_math_rcpet
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Rotation
Linear Equations
Trigonometry
Prism
Similar Triangles