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Book10-Unit7-平行四邊形與長方形
Author:
澎湖縣中正國小
GeoGebra
New Resources
撒针估算面积实验
常见四边形是否是双心四边形
第八周作业1
斐波那契螺旋弧线(表格法)
球体的截面
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座標
My GGB BOOK
x^3+y^3-3xy
乘法加工
旋轉線段
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Trapezoid
Addition
Square
Cube
Plane Figures or Shapes