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分數除法
Author:
Kenny Cheung
GeoGebra
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撒针估算面积实验
平行線的判定
比較五件物件的重量
活动三:应用性质
椭圆内切圆链
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尤拉線80527王博玄螢橋國中
Quiz on Solving Right Triangles (Finding Side Lengths) 解直角三角形:測驗1(求邊長)
橢圓規Ellipsograph of Parallelogram
俄罗斯方块
第八周作业
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Bar Chart or Bar Graph
Orthocenter
Function Graph
Sine
Tangent Line or Tangent