人教版初中八年级数学上册分式的通分练习题精选48Word格式.docx
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1b+c
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3x9y
5c5a
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a(x-3)b(x-3)
2a+d
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a(x+4)b(x+4)
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a(x+6)b(x-6)
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a(x-2)b(x-2)
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7a+c
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a(x+5)b(x+5)
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