问一道GMAT数学?
问题描述：
问一道GMAT数学?
If 500 is the multiple of 100 that is closest to x and 400 is the multiple of 100 that is closest to y,which multiple of 100 is closet to x+y?
(1) x+y
(2) y
答
如果500是最接近100的x的倍数,400是最接近100的y的倍数.那么,100的哪个倍数最接近X+Y,最后一句应该是这个意思吧