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拋物面的光學性質
Author:
宋政蒲
GeoGebra
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平行線的斜率
讀磅
探究三角形的全等條件
第八周作业
三位數除以一位數（一）
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PMC 2014-15 Q4
Circle123456789987654321
Temp file
學習活動四平行線法的原理
模拟龟兔画板
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Statistical Characteristics
Exponential Functions
Parallelogram
Trigonometric Functions
Constructions