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

x2+14x+45

4m+4y

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50a3bc

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x3y3

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3x2+6xy+3y2

10x+10y

-45a2bc

5abc2

45abc

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