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正5角錐
Author:
張丰耘
GeoGebra
New Resources
平行線的判定
盈利與虧蝕
椭圆内切圆链
镂空正方体案例对比
GeoGebra数学资源(4-8年级)
Discover Resources
Circumference 圓周
外心
compare angle by Mr LO WY
黃金三角形
畢氏數
Discover Topics
Arithmetic
Rhombus
Correlation
Polygons
Linear Functions