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Course Content
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数与运算
1.0 整数与基本运算
4 Topics
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2.0 分数、小数与百分比
5 Topics
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3.0 钱币
3 Topics
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测量与几何
4.0 时间与时刻
2 Topics
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5.0 度量衡
1 Topic
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6.0 空间
3 Topics
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联系与代数
7.0 坐标、比与比例
4 Topics
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