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比較同分子分數
Author:
Anthony Or 柯志明
Topic:
Fractions
GeoGebra
New Resources
讀磅
探究三角形的全等條件
正方形雪花图案
多邊形的面積
撒针估算面积实验
Discover Resources
Dilation of area
圓_Collection
常用等价无穷小示意图
餘角
割圆术估计圆周率（刘徽）
Discover Topics
Similarity Transformation or Similarity
Exponent
Linear Equations
Quadrilaterals
Hyperbola