题目内容
比
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错误
分析:本题运用分数的基本性质,先把这三个分数进行通分化成同分母分数,它们的同分母越大在这两分数之间的分数就越多,我们通过实例来证明在“比
小而比
大的分数中不只有一个
.”让它们的公分母是24进行解答.
解答:
=
,
=
,
=
,
因为
<
、
、
、
<
,
所以比
小比
大的数只有一个
的说法是错误的;
故答案为:×.
点评:本题考查了分数的大小比较及分数的基本性质的应用.
分析:本题运用分数的基本性质,先把这三个分数进行通分化成同分母分数,它们的同分母越大在这两分数之间的分数就越多,我们通过实例来证明在“比
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解答:
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
因为
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
所以比
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
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故答案为:×.
点评:本题考查了分数的大小比较及分数的基本性质的应用.

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