精品解析:2023年山东省济宁市中考数学真题(解析版)(2)
【淘宝搜索店铺:中小学教辅资源店微信:mlxt2022】济宁市2023年初中学业水平考试一、选择题:本大题共10小题,每小题3分,共30分.在每小题给出的四个选项中,只有一项符合题目要求.1.实数中无理数是()A.B.0C.D.1.5【答案】A【解析】【分析】根据无理数的概念求解.【详解】解:实数中,是无理数,而是有理数;故选A.【点睛】本题主要考查无理数,熟练掌握无理数的概念是解题的关键.2.下列图形中,是中心对称图形的是()A.B.C.D.【答案】B【解析】【分析】在一个平面内,把一个图形绕着某个点旋转,如果旋转后的图形能与原来的图形重合,那么这个图形叫做中心对称图形;由此判断即可得出答案...
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