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Author:
Alex Leong
GeoGebra
New Resources
兩組對邊相等的四邊形
異分母分數減法
球體建築師
画直线等分三角形的面积
第八周作业
Discover Resources
已知正三角形內部一點到三邊距離求面積
normal
旋轉動畫
盾牌
分數(等值)
Discover Topics
Triangles
Statistical Characteristics
Linear Programming or Linear Optimization
Numbers
Upper and Lower Sum or Riemann Sum