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人教版八上，勾股定理螺线（毕氏螺线 ）
Author:
刘护灵
GeoGebra
New Resources
正方形雪花图案
折扣
科氏力 (Coriolis Force)
第八周作业
龙形曲线-分形龙
Discover Resources
Angles associated with Parallel Lines 平行線上的角
test
閱讀月曆
圆锥曲线统一定义单晨
y=-3x+6(x>=3)
Discover Topics
Algebra
Integers
Circle
Dilation
Pyramid