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平行四邊形面積
Author:
lkkbmaths teachers 檔案儲存用
Topic:
Area
,
Parallelogram
GeoGebra
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双心四边形
科赫雪花
百分數及其應用
盈利與虧蝕
常见四边形是否是双心四边形
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test
ch14 p.30#31
F5_聯立二元一次不等式
聯立方程組
棱柱
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Set Theory
Plane Figures or Shapes
Division
Kite
Continuity