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正多邊形的對角線
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
New Resources
双心四边形
撒针估算面积实验
盈利與虧蝕
直線的斜率
常见四边形是否是双心四边形
Discover Resources
乘法運算
测试文件
陳允杰 橢圓反射
Angle between line and plane
描点法画三角函数图像-只改参变量
Discover Topics
Triangles
Normal Distribution
Tree Diagrams
Distributions
Upper and Lower Sum or Riemann Sum