把下列各數(shù)填在相應(yīng)的大括號(hào)內(nèi):
15,-12,0.81,-3,14,-3.1,-4,171,0,3.14.
正數(shù)集合{15,0.81,14,171,3.14…15,0.81,14,171,3.14…};
負(fù)數(shù)集合{-12,-3,-3.1,-4…-12,-3,-3.1,-4…};
正整數(shù)集合{15,171…15,171…};
負(fù)整數(shù)集合{-3,-4…-3,-4…};
有理數(shù)集合{15,-12,0.81,-3,14,-3.1,-4,171,0,3.14…15,-12,0.81,-3,14,-3.1,-4,171,0,3.14…}.
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【考點(diǎn)】有理數(shù).
【答案】15,0.81,,171,3.14…;-,-3,-3.1,-4…;15,171…;-3,-4…;15,-,0.81,-3,,-3.1,-4,171,0,3.14…
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【解答】
【點(diǎn)評(píng)】
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發(fā)布:2024/6/27 10:35:59組卷:87引用:1難度:0.8