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> 下列二次根式中,最简二次根式是().A.;B.;C.;D..-八年级数学
下列二次根式中,最简二次根式是().A.;B.;C.;D..-八年级数学
题目简介
下列二次根式中,最简二次根式是().A.;B.;C.;D..-八年级数学
题目详情
下列二次根式中,最简二次根式是( ).
A.
;
B.
;
C.
;
D.
.
题型:单选题
难度:中档
来源:不详
答案
C
分析:判定一个二次根式是不是最简二次根式的方法,就是逐个检查最简二次根式的两个条件是否同时满足,同时满足的就是最简二次根式,否则就不是.
解答:解:A、
=
,被开方数含分母,不是最简二次根式;故此选项错误
B、
=
,被开方数为小数,不是最简二次根式;故此选项错误
C、
,是最简二次根式;故此选项正确;
D.
=5
,被开方数,含能开得尽方的因数或因式,故此选项错误
故选C.
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题目简介
下列二次根式中,最简二次根式是().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.