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> 若和都有意义,则的值是A.B.C.D.-八年级数学
若和都有意义,则的值是A.B.C.D.-八年级数学
题目简介
若和都有意义,则的值是A.B.C.D.-八年级数学
题目详情
若
和
都有意义,则
的值是
A.
B.
C.
D.
题型:单选题
难度:偏易
来源:不详
答案
C
若
和
都有意义,则
,即
,选C
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题目简介
若和都有意义,则的值是A.B.C.D.-八年级数学
题目详情
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