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椭圆的一种简单画法.许兴华数学
Author:
许兴华数学
Topic:
Conic Sections
GeoGebra
New Resources
多邊形的面積
異分母分數減法
漂亮的摇摆曲线
圓周公式的應用
兩位數除以一位數（一）
Discover Resources
數學題目參考圖形
Dilation of area
滾出直線滾出直線
a Geogebra file created by the first pre-service teacher
hello
Discover Topics
Trapezoid
Scalene Triangles
Variance
Linear Programming or Linear Optimization
Rectangle