184. If each of the positive integers a, b, and c is a prime number and abc=30, what is the value of c? (1) a<b<c (2) a+b=c 答案是D,我选B, 请问1算不算质数啊？？？
148. The figure shows two entries, indicated by m and n, in an addition table. What is the value of n+m? (1) d+y=-3 (2) e+z=12 答案是C,这题我根本没看懂。。。 求高人翻译并解答，谢谢~~~作者: ahkmenrah 时间: 2010-7-28 09:56
第一题，1不是质数，2是最小的质数 第二题，意思是n=e+y，m=d+z作者: xuyingkitty 时间: 2010-7-28 10:43
懂啦，谢了！！！
