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旋转体
Author:
蔡永志
New Resources
兩組對邊相等和有直角的四邊形
找出對稱軸
兩位數加法
畫出對稱圖形
異分母分數減法
Discover Resources
Triangular Number 三角形數
阿波羅尼斯圓
填滿與旋轉
CIRCLE
螺旋正方形
Discover Topics
Sequences and Series
Centroid or Barycenter
LCM and GCD
Similarity Transformation or Similarity
Volume