(不等式选做题)对于实数x,y,若|x-1|≤1,|y-2|≤1,求|x-y+1 发布时间:2017-05-07 00:13 │ 来源:www.tikuol.com 题型:解答题 问题: (不等式选做题)对于实数x,y,若|x-1|≤1,|y-2|≤1,求|x-y+1|的最大值.
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