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> 若(x-12)-1无意义,则x-1=______.-数学
若(x-12)-1无意义,则x-1=______.-数学
题目简介
若(x-12)-1无意义,则x-1=______.-数学
题目详情
若(x-
1
2
)
-1
无意义,则x
-1
=______.
题型:填空题
难度:中档
来源:不详
答案
∵(x-
class="stub"1
2
)-1无意义,
∴x-
class="stub"1
2
=0,x=
class="stub"1
2
,
∴x-1=
class="stub"1
x
=
class="stub"1
class="stub"1
2
=2.
故答案为2.
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题目简介
若(x-12)-1无意义,则x-1=______.-数学
题目详情
答案
∴x-
∴x-1=
故答案为2.