题库搜索>数据充分DS-13034
Is |x|+|x-1|=1 ?
(1) x ≥ 0
(2) x ≤ 1
分析A选项
分析B选项
分析C选项
分析D选项
分析E选项
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条件一 原式=x+x-1 或x+1-x 不确定
条件二 原式=x+1-x 或-x+1-x 不确定
联立 原式=x+1-x=1 确定 充分 选C
送我上700
做昏头了，做着做着变成求X的值了
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2022-06-14 04:27:06
周可儿回复 送我上700
雀食，我也是
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2022-06-28 18:39:04
Lainey00
思路：X到0的距离和X到1的距离之和是否等于1？ （1）X≥0，不一定 （2）X≤1，不一定 （1）+（2），0≤X≤1，即X在0和1之间，则X到0的距离和X到1的距离之和一定等于1
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2019-10-14 19:32:52
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