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square & Triangle
Author:
Alex Leong
GeoGebra
New Resources
平行線的判定
第八周作业3
斐波那契螺旋弧线(表格法-可动态调节)
第八周作业
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畢式定理 (01)
ex 2
正多面體
P6 圓周02D
國旗 做很久的