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变化的平行四边形
Author:
孙逸旻
Topic:
Parallelogram
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
【案例】2013年安徽高考15题
畫出對稱圖形
判斷球體
異分母分數減法
Discover Resources
劉徽的「割圓術」
Rotational Symmetry - Octahedron
生活中的平面圖形─角的性質
黃金矩形
江苏省职校数学网络资源
Discover Topics
Fractions
Rectangle
Mode
Ratios
Stochastic Process or Random Process