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Which of the following inequalities is equivalent to -3<x<5?
Which of the following inequalities is equivalent to -3<x<5?
admin
2022-05-18
53
问题
Which of the following inequalities is equivalent to -3<x<5?
选项
A、|x-2|<5
B、|x-1|<4
C、|x+1|>3
D、|x+2|<4
E、|x+5|>1
答案
B
解析
选项中都是绝对值不等式,我们只能一个一个去排除。由选项A得到-5<x-2<5,即-3<x<7不对。由选项B得到-4<x-1<4,即-3<x<5,所以选择B。
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