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Author:
航 杨
GeoGebra
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比較五件物件的重量
盈利與虧蝕
平行線的判定
龙形曲线-分形龙
第八周作业1
Discover Resources
分數的加法
Triangle
尤拉線
Introduction to Rectangular Coordinates
运动的全等三角形.许兴华数学
Discover Topics
Linear Programming or Linear Optimization
Statistical Characteristics
Area
Tangent Line or Tangent
Linear Equations