标题: who can help me? [打印本页] 作者: drlucky 时间: 2002-12-17 22:53 标题: who can help me?
Q represents a set of four different prime numbers. If the sum of the numbers in Q is even and x is a member of Q, what is the least possible value of x?
A) 1
B) 2
C) 3
D) 5
E) 7
what is the least possible value of x?是说x最不可能的直还是最小直?
Thanks a lot!!!!