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Author:
葉天宏
GeoGebra
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兩組對邊相等的四邊形
【案例】2018年全国1卷理科12题
柱體建築師
異分母分數減法
直角坐標平面上的旋轉變換
Discover Resources
圓周
柯西不等式
S3 Law of Indices
用和或差的平方做因式分解
黃金矩形
Discover Topics
Arithmetic Mean
Centroid or Barycenter
Ratios
Parallelogram
Cone