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2平行四邊形面積
Author:
maths_p5
GeoGebra
New Resources
撒针估算面积实验
双心四边形
三角函数 的副本
活动三:应用性质
正方形雪花图案
Discover Resources
雜類,其他
Sequence指令練習(包絡線:橢圓)
餘弦函數y=cos(x)的泰勒級數
軌跡圖
畢氏數
Discover Topics
Symmetry
Limits
Sine
Statistics
Isosceles Triangles