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> 25的算术平方根是A.5B.±5C.D.±-九年级数学
25的算术平方根是A.5B.±5C.D.±-九年级数学
题目简介
25的算术平方根是A.5B.±5C.D.±-九年级数学
题目详情
25的算术平方根是
A.5
B.±5
C.
D.±
题型:单选题
难度:中档
来源:不详
答案
A
分析:如果一个非负数x的平方等于a,那么x是a的算术平方根,根据此定义即可求出结果.
解:∵5的平方是25,
∴25的算术平方根是5.
故选A.
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题目简介
25的算术平方根是A.5B.±5C.D.±-九年级数学
题目详情
答案
解:∵5的平方是25,
∴25的算术平方根是5.
故选A.