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有理数大小、和差的几何意义
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数轴知识的灵活应用
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相反数的几何意义
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有理数的几何表示
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数轴
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常用的正整数乘方
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幂运算知识的灵活应用
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同底数幂相乘
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有理数乘方符号的再认识
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有理数乘方运算技能的灵活应用
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有理数乘方的运算
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有理数的乘方运算与符号表示
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有理数运算正负性的符号表示
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有理数的加减乘混合运算
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多个有理数相乘
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有理数的分数形式
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有理数的除法
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负数与负数的乘积
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正数与正数、正数与负数的乘积
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