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Author:
whlee1990
GeoGebra
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撒针估算面积实验
斐波那契螺旋弧线(表格法)
第八周作业2
异形操场
第八周作业
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正五角椎
BEES定理2
congruent (AAA) 2
整數點
二次函数y=ax²(a>0)
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Matrices
Planes
Numbers
Pyramid
Quadrilaterals