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足迹
Author:
持之以恒
GeoGebra
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第八周作业
正方形雪花图案
第八周作业2
斐波那契螺旋弧线(表格法)
斐波那契螺旋弧线(表格法-可动态调节)
Discover Resources
四邊形的「等角分點」
BkD_act15_02c
圖形的周界
两次折叠
拋物面的光學性質
Discover Topics
Parametric Curves
Square
Orthocenter
Binomial Distribution
Sequences and Series