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GeoGebra
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兩組對邊相等和有直角的四邊形
第八周作业
三位數除以一位數(二)
錐體建築師
三位數除以一位數(一)
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向量相加
测试文件
Mathematics and Optics (and their applications)
高中物理电磁学·磁聚焦
相反数 思考(教材第10页)
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Probability
Area
Differential Calculus
Straight Lines
Histogram