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[洋葱] 圆与倒角：圆内角与圆外角
Author:
acchu
GeoGebra
New Resources
Battleship: Polar Coordinate Style (V2)
Plotting Points in Polar Coordinates
Regular Prism
Isosceles Triangle
Isosceles Trapezium (Trapezoid)
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Gradient
Continental drift Investigation
Slope of Tangent Line
copy angles
Dot Plots Example
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Numbers
Logarithm
Plane Figures or Shapes
Geometric Distribution
Similar Triangles