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分數比較
Author:
Yin Kelvin Wong
分數比較
GeoGebra
New Resources
拼砌四邊形
画直线等分三角形的面积
兩組對邊相等的四邊形
兩位數除以一位數（一）
判斷球體
Discover Resources
soccer(final)
卡特蘭數 (Catalan Number)
Subdivision
Locus (Segment)
江苏高考物理最后一题模拟
Discover Topics
Parabola
Right Triangles
Logic
Similarity Transformation or Similarity
Arithmetic Operations