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Author:
吕玉雷
GeoGebra
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兩位數除以一位數(二)
圓周公式的應用
三位數除以一位數(一)
画直线等分三角形的面积
垂直線的斜率
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摩天輪
功課'
兔子繁殖树状图(斐波那契数列)
拖拉小正方体
翰林數學_2下_CH3-1_三角形的內角與外角
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Translation
Plane Figures or Shapes
Rectangle
Perimeter
Complex Numbers