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> 的平方根是:【】A.2B.2C.4D.4-八年级数学
的平方根是:【】A.2B.2C.4D.4-八年级数学
题目简介
的平方根是:【】A.2B.2C.4D.4-八年级数学
题目详情
的平方根是: 【 】
A.2
B.
2
C.4
D.
4
题型:单选题
难度:偏易
来源:不详
答案
B
本题考查平方根概念的理解。
点拨:正数的平方根有两个,是互为相反数,零的平方根为零,负数没有平方根。
解答:因为
,所以
的平方根是
。选B。
上一篇 :
如果的值是【】A.0B.1C.2D.-2-八年
下一篇 :
-九年级数学
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题目简介
的平方根是:【】A.2B.2C.4D.4-八年级数学
题目详情
答案
点拨:正数的平方根有两个,是互为相反数,零的平方根为零,负数没有平方根。
解答:因为