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正弦定理验证
Author:
junfeilx
GeoGebra
New Resources
sanjiaohanshu
畫出對稱圖形
近似值：有效數字
異分母分數減法
三位數除以一位數（一）
Discover Resources
sin(x) 的函數圖形
Cactest
同心圓內的直線2
椭圆的中点弦的轨迹.许兴华数学
动点最值&旋转&椭圆模型
Discover Topics
Isosceles Triangles
Plane Figures or Shapes
Prism
Planes
Rational Numbers