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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
撒针估算面积实验
平行線的判定
GeoGebra数学资源(4-8年级)
第八周作业1
折扣
Discover Resources
教學-與直線有關的角
三角形內角和_1
testing
Diagram 1
三角函数的副本
Discover Topics
Function Graph
Square
Cylinder
Limits
Rectangle