[計量] GWD4 Q29
看板GMAT (GMAT入學考試)作者redeyes (NimmDeineHoeflichkeit)時間16年前 (2009/09/01 21:27)推噓0(0推 0噓 0→)留言0則, 0人參與討論串1/2 (看更多)
29. The annual rent collected by a coporation from a certain building was x
percent more in 1998 than in 1997 and y percent less in 1999 than in 1998. Was
the annual rent collected by the coporation from the building more in 1999 than
in 1997?
(1) x>y
(2) (xy)/100<x-y
答案是B
請問式子是怎麼導出來的呢
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