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> 当时,二次根式的值为【】A.1B.±1C.3D.±3-九年级数学
当时,二次根式的值为【】A.1B.±1C.3D.±3-九年级数学
题目简介
当时,二次根式的值为【】A.1B.±1C.3D.±3-九年级数学
题目详情
当
时,二次根式
的值为【 】
A.1
B.±1
C.3
D.±3
题型:单选题
难度:偏易
来源:不详
答案
C
=
,所以选C.
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当时,二次根式的值为【】A.1B.±1C.3D.±3-九年级数学
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