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> 下列平方根中,已经化简的是()A.B.C.D.-八年级数学
下列平方根中,已经化简的是()A.B.C.D.-八年级数学
题目简介
下列平方根中,已经化简的是()A.B.C.D.-八年级数学
题目详情
下列平方根中,已经化简的是( )
A.
B.
C.
D.
题型:单选题
难度:中档
来源:不详
答案
C
析:被开方数中不含开方开的尽的数,将A、B、C、D化简即可.
解答:解:A、
=
,故本选项错误;
B、
=2
,故本选项错误;
C、
已化简,故本选项正确;
D、
=11,故本选项错误.
故选C.
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题目简介
下列平方根中,已经化简的是()A.B.C.D.-八年级数学
题目详情
答案
解答:解:A、
B、
C、
D、
故选C.