人教版初中八年级数学上册分式的化简练习题精选33Word文档格式.docx
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人教版初中八年级数学上册分式的化简练习题精选33Word文档格式.docx
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x2+14x+45
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3x2+6xy+3y2
10x+10y
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5abc2
45abc
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