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新动力-七下-P20-13
Author:
chen chao
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
三位數除以一位數（一）
【案例】2018年全国1卷理科12题
【案例】圆柱体内放置一个大球六个小球
画直线等分三角形的面积
Discover Resources
數學題目的模型
正九邊形
空間向量
angle between lines
正切函數的絕對值圖形
Discover Topics
Plane Figures or Shapes
Algebra
Median Value
Tangent Line or Tangent
Quadrilaterals