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作品1
Author:
张磊
GeoGebra
New Resources
画直线等分三角形的面积
圓周公式的應用
第八周作业
兩位數除以一位數（一）
兩位數加法
Discover Resources
ggbbook1
分數認識
角平分線作圖1213
Conway's Circle
there phase Vector
Discover Topics
Secant Line or Secant
Binomial Distribution
Fractal Geometry
Parametric Curves
Terms