if 500 is the multiple of 100 that is closest to X and 400 is the multiple of 100 that is cloeset to Y, which multiple of 100 is cloest to X+Y?
(1) X<500
(2)Y<400
举报
差点忘了
是DS题 答案是E
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同问!
For example : if X=495 Y= 395 (according to both (1) and (2) 495+ 395 = 890 900
but when X= 455 Y= 355 455+ 355=820 800
so E is correct
其实能用中文解释一下题目的意思吗?
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