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这道Prep数学题,看不懂题目,求教高手
DS: If 500 is the multiple of 100 that is closest to x and 400 is the multiple of 100 that is cloest to y, which mutiple of 100 is closest to x+y?
(1) x<500
(2) y<400
题目现在都还没看明白,模考的时候直接放弃了。 请高手看看。 |
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