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> 平方根等于它本身的数是()A.0B.1,0C.0,1,-1D.0,-1-数学
平方根等于它本身的数是()A.0B.1,0C.0,1,-1D.0,-1-数学
题目简介
平方根等于它本身的数是()A.0B.1,0C.0,1,-1D.0,-1-数学
题目详情
平方根等于它本身的数是( )
A.0
B.1,0
C.0,1,-1
D.0,-1
题型:单选题
难度:中档
来源:平顶山二模
答案
∵负数没有平方根,0的平方根为0,正数有两个平方根,且互为相反数,
∴平方根等于它本身的数是0.
故选A.
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题目简介
平方根等于它本身的数是()A.0B.1,0C.0,1,-1D.0,-1-数学
题目详情
答案
∴平方根等于它本身的数是0.
故选A.