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> 25的平方根是()A.5B.±5C.-5D.±5-数学
25的平方根是()A.5B.±5C.-5D.±5-数学
题目简介
25的平方根是()A.5B.±5C.-5D.±5-数学
题目详情
25
的平方根是( )
A.5
B.±5
C.-5
D.±
5
题型:单选题
难度:偏易
来源:不详
答案
∵
25
=5,
而5的平方根等于±
5
,
∴
25
的平方根是±
5
.
故选D.
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题目简介
25的平方根是()A.5B.±5C.-5D.±5-数学
题目详情
答案
而5的平方根等于±
∴
故选D.