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HKDSE 2015 by Mr LO WY
Author:
tcchan
GeoGebra
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判斷球體
球體建築師
兩組對邊相等和有直角的四邊形
小数 的副本
兩組對邊相等的四邊形
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GeoGebra与数学教育论坛通知
ex 7
勾股定理
面積
旁心
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Addition
Polygons
Probability
Ratios
Similar Triangles