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毕达哥拉斯的勾股定理证明图
Author:
许春兰
GeoGebra
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科赫雪花
双心四边形
盈利與虧蝕
第八周作业1
斐波那契螺旋弧线(表格法)
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指數與對數的親密接觸
題 1
軌跡
so fing
中華民國國旗
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Distributions
Diagrams
Angles
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Right Triangles