标题: 求助一个DS概念问题~settled [打印本页] 作者: zyq19911205 时间: 2012-8-8 17:15 标题: 求助一个DS概念问题~settled 在做DS题时,如果题目是让求一个数的值(what is the value of...),如果一个条件最后求出这个值无解,算不算对呢??例如 Ifthe integers a and n are greater than 1 and the product of the first 8 positive integers is a multiple of a^n, what is the value of a ? (1) an = 64 (2) n = 6