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下列两个整式中,是同类项的是( )
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教案备课库《2015-2016学年甘肃省天水市麦积区七年级(上)期末数学试卷》真题及答案
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两个单项式是同类项下列说法正确的是
) 只有它们的系数可以不同 (
) 只要它们的系数相同 (
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a
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b与ab
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2x与x
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