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小船过河问题
Author:
李大地(Field Lee)
GeoGebra
New Resources
球體建築師
兩位數加法
畫出對稱圖形
兩組對邊相等和有直角的四邊形
画直线等分三角形的面积
Discover Resources
截面法體積(2)
p10-4
環環相扣
複合棒形圖_接疊
旋轉縮小的正方形
Discover Topics
Square
Sine
Symmetry
Diagrams
Step Functions