这是一道GRE数学题,没明白,In a certain sequence of numbers,each term after the first term is found by multiplying the preceding term by 2 and then subtracting 3 from the product.If the 4th term in the sequence is 19,which of the following nu

这是一道GRE数学题,没明白,In a certain sequence of numbers,each term after the first term is found by multiplying the preceding term by 2 and then subtracting 3 from the product.If the 4th term in the sequence is 19,which of the following nu 这是一道GRE数学题,我觉得答案应该是19,他这个解释我没看懂呢, 一道GRE数学题,OG上的,没明白,Let S be the set of all positive integers n such that n^2 is a multiple of both 24 and108.Which of the following integers are divisors of every integer n in Indicate all such integers.A.12 B.24 C.36 D.72 一道新GRE数学题If a写错了，是 a GRE PP2模考的一道数学题不太清楚为什么答案是A 求解一道GRE的数学题 这是一道GRE数学题,我理解的是选出来的三个数之和为正 GRE PP2 第一套中的一道数学题 一道GRE数学题,绿皮书section62,p376, 求一道数学题,要理由.设函数y=f(x)的定义域为区间[a,b],且g(x)=f(x+1),则函数g(x)的定义域是区间( )答案为什么是 [a-1,b-1]给讲下理由,但我还是不太明白.我很长时间没接触数学了.这题的确搞不明白 GRE PP2 第一套中的一道数学题为什么我觉得答案是0 提问一道GRE数学题A printer numbered consecutively the pages of a book,beginning with 1 on the first page.In numbering the pages,he printed a total of 189 digits.比较the number of pages in the book与100大小100是3个digits,那189digits的 再请教一道gre数学题the percent increase from the least monthly car sales shown to the sales in july 1993 was most nearly equal to答案是55% 为啥呢? 关于gre pp2一道数学题 为什么选b阿 这是最后一道数学题], 请教GRE数学题一道~~ABCD是一个平行四边形.AD=12,求BD长度.求过程啊亲! 有一道GRE的数学题求详细讲解：RTThe advertisd rate for roaming harges is 0.002 cents pe second.What is that in dollars per hour?0.072 英语翻译这是gre issue50的范文...我看不大明白.ps如果能帮我整篇概述一下最好了.完整句子：Secondly,the statement fails to consider that in certain other academic areas a professor's academic duties typically involve prac