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Author:
johnmayhk
GeoGebra
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祖冲之的期望：内棋与外棋
兩位數加法
【案例】2018年全国1卷理科12题
圓的切線方程
第八周作业
Discover Resources
Locus (Two points 1)
畢氏定理
製作一個面積是30平方厘米的梯形。
学习 CAS 计算器
Circle
Discover Topics
Logarithm
Constructions
Quadratic Equations
Parallelogram
Similarity Transformation or Similarity