把下列各数分类:-,0.618,31,-2004,0,-5%,属于非负数的有________.属于分数的有________.

发布时间:2020-08-08 17:02:14

把下列各数分类:-,0.618,31,-2004,0,-5%,
属于非负数的有________.属于分数的有________.

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0.618,31,0    -,0.618,-5%
解析分析:,,.

解答:非负数有0.618,31,0.
分数有-,0.618,-5%.

点评:本题考查了数的分类,注意不要漏写.非负数即为大于或等于0的数.
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