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> 下列二次根式中,与是同类二次根式的是A.B.C.D.-九年级数学
下列二次根式中,与是同类二次根式的是A.B.C.D.-九年级数学
题目简介
下列二次根式中,与是同类二次根式的是A.B.C.D.-九年级数学
题目详情
下列二次根式中, 与
是同类二次根式的是
A.
B.
C.
D.
题型:单选题
难度:中档
来源:不详
答案
C
根据同类二次根式的意义,将选项中的根式化简,找到被开方数为2者即可.
解答:解:A、
=
,与
的被开方数不同,故不是同类二次根式;
B、
=
与
的被开方数不同,故不是同类二次根式;
C、
=
,与
的被开方数相同,是同类二次根式;
D、
与3
,的被开方数不相同,故不是同类二次根式;
故选C.
上一篇 :
若二次根式在实数范围内有意义
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下列二次根式中,是最简二次根式
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题目简介
下列二次根式中,与是同类二次根式的是A.B.C.D.-九年级数学
题目详情
答案
解答:解:A、
B、
C、
D、
故选C.