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魔术师的地毯
Author:
陈力
GeoGebra
New Resources
画直线等分三角形的面积
異分母分數減法
垂直線的斜率
空间中两直线的位置关系
【案例】2018年全国1卷理科12题
Discover Resources
複數等比級數
色塊移動川流不息
周界和面積
奈格爾點
包絡線1
Discover Topics
Rational Numbers
Tree Diagrams
Geometric Transformations
Plane Figures or Shapes
Inequalities