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曲線下面積
Author:
連琨銘
GeoGebra
New Resources
画直线等分三角形的面积
【案例】2018年全国1卷理科12题
判斷球體
三位數除以一位數（二）
兩組對邊相等和有直角的四邊形
Discover Resources
画个图
trapezium
坐標幾何
Is this a prism 2
數值滑桿
Discover Topics
Upper and Lower Sum or Riemann Sum
Algebra
Parametric Curves
Median Line
Quadrilaterals