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> 下列说法正确的是()A.若,则a<0B.C.D.5的平方根是-九年级数学
下列说法正确的是()A.若,则a<0B.C.D.5的平方根是-九年级数学
题目简介
下列说法正确的是()A.若,则a<0B.C.D.5的平方根是-九年级数学
题目详情
下列说法正确的是( )
A.若
,则a<0
B.
C.
D.5的平方根是
题型:单选题
难度:偏易
来源:不详
答案
C
本题考查平方根的性质。若
,
,选项C正确,
。
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化简的结果是()A.B.C.D.-九年级数学
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已知两个连续整数,且,则=.-七年
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题目简介
下列说法正确的是()A.若,则a<0B.C.D.5的平方根是-九年级数学
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