[計量] PP1-PS -7 AND 19

看板GMAT (GMAT入學考試)作者 (I miss...so much)時間17年前 (2008/12/02 17:49), 編輯推噓0(000)
留言0則, 0人參與, 最新討論串1/3 (看更多)
不好意思 要請各位幫忙看看以下兩題 @@ 要麻煩各位高手了 7.For every positive even integer n, the function h(n) is defined to be the product of all the even integers from 2 to n, inclusive. If p is the smallest prime factor of h(100) + 1, then p is (A) between 2 and 10 (B) between 10 and 20 (C) between 20 and 30 (D) between 30 and 40 (E) greater than 40 ANS:E 19.For a finite sequence of nonzero numbers, the number of variations in sign is defined as the number of pairs of consecutive terms of the sequence for which the product of the two consecutive terms is negative. What is the number of variations in sign for the sequence 1, -3, 2, 5, -4, -6 ? (A) One (B) Two (C) Three (D) Four (E) Five ANS:C 想破頭也想不出WHY......>_< -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 219.87.1.253
文章代碼(AID): #19DGID4D (GMAT)
討論串 (同標題文章)
文章代碼(AID): #19DGID4D (GMAT)