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等腰三角形的绘制
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GeoGebra
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撒针估算面积实验
第八周作业
百分數及其應用
异形操场
活动三:应用性质
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商高定理4
整數÷整數_工作紙(一)_題7
將數列化為級數(文字)
P.1 加法結合性質(新課程)
倒水验证勾股定理
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Straight Lines
Pyramid
Matrices
Fractions
Quadrilaterals