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> 下列说法正确的是()A、1的立方根是B、C、的平方根是D、-八年级数学
下列说法正确的是()A、1的立方根是B、C、的平方根是D、-八年级数学
题目简介
下列说法正确的是()A、1的立方根是B、C、的平方根是D、-八年级数学
题目详情
下列说法正确的是( )
A
、1的立方根是
B
、
C
、
的平方根是
D
、
题型:单选题
难度:中档
来源:不详
答案
C
A、根据立方根的定义即可判定;
B、根据的定义即可判定;
C、根据平方根、算术平方根的定义即可判定;
D、根据算术平方根的性质即可判定.
解:A、1的立方根是1,故选项错误;
B、
,故选项错误;
C、
=9,9的平方根是±3,故选项正确;
D、
≥0,故选项错误.
故选C.
上一篇 :
如图1所示,长方形内有两个相邻
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题目简介
下列说法正确的是()A、1的立方根是B、C、的平方根是D、-八年级数学
题目详情
A、1的立方根是
答案
B、根据的定义即可判定;
C、根据平方根、算术平方根的定义即可判定;
D、根据算术平方根的性质即可判定.
解:A、1的立方根是1,故选项错误;
B、
C、
D、
故选C.