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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
New Resources
圓周公式的應用
兩位數除以一位數（二）
讀磅
直線的斜率
画直线等分三角形的面积
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Key stage 1
淮阴2015-28
三次曲线
gjc090c23 圓內三角形與角度
阿波羅尼亞圓的副本
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Combinatorics
Addition
Solids or 3D Shapes
Differential Calculus
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