求一道GMAT数学题.At a certain bookstore,the regular price of each book is 20 percent less than its list price.If during a sale the price of each book at the store was 15 percent less than its regular price,then the price of a book during the sa

GMAT一道数学题, 一道GMAT的数学题 一道关于GMAT的数学题 求一道GMAT数学题.At a certain bookstore,the regular price of each book is 20 percent less than its list price.If during a sale the price of each book at the store was 15 percent less than its regular price,then the price of a book during the sa cert 问一道GMAT的数学题2^x-2^x-2=3(2^13)求X 一道数学题,求a.b. 高分求一道GMAT数学题.The rate of a chemical is directly proportionate to the square of A and inversely to B,if B increase 100%,what is the change of percentage of 一道GMAT OG上的数学题Of the 230 single-family homes built in City X last year,how many were occupied at the end of the year?(1)Of all single-family homes in City X,90 percent were occupied at the end of last year.(2)A total of 7200 single-fami 问一道GMAT数学题!Jerome wrote each of the integers 1 through 20,inclusive,on a separate index card.He placed the cards in a box,then drew cards one at a time randomly from the box,without returning the cards he had already drawn to the box.In o 求助一道GMAT数学题xyz三个点不在一条直线上,问yz>15?a.xy=40 b.xz=60 求解GMAT一道数学题[1/(2n-1)!]-[1/(2n+1)!]简化后等于an^2+bn+c,问a+b+c等于多少? GMAT的一道题, 一道数学题求解释 一道数学题求面积 求一道数学题, 求一道数学题. 求高一道数学题