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> (2011上海,3,4分)下列二次根式中,最简二次根式是().A.;B.;C.;D..-八年级数学
(2011上海,3,4分)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
(2011上海,3,4分)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:偏易
来源:不详
答案
C
A
=
,被开方数含分母,不是最简二次根式;故此选项错误
B、
=
,被开方数含分母,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.
上一篇 :
(2011山东烟台,5,4分)如果,则()A.a<B.a
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题目简介
(2011上海,3,4分)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
B、
C、
D.
故选C.