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> ,,,四个二次根式中,是同类二次根式的是__________.-九年级数学
,,,四个二次根式中,是同类二次根式的是__________.-九年级数学
题目简介
,,,四个二次根式中,是同类二次根式的是__________.-九年级数学
题目详情
,
,
,
四个二次根式中,是同类二次根式的是__________.
题型:填空题
难度:偏易
来源:不详
答案
,
可先将各二次根式化为最简,然后根据同类二次根式的被开方数相同即可作出判断.
解:
=
,
=5
,
=3
,
=5
,
∴
,
是同类二次根式.
故答案为
,
.
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题目简介
,,,四个二次根式中,是同类二次根式的是__________.-九年级数学
题目详情
答案
解:
∴
故答案为