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标题: JJ this month [打印本页]

作者: Hannah    时间: 2006-3-28 23:14     标题: JJ this month

125.

N是整数,/n/+n/2>4,n值?
a, n>-12
b, n<-6
答案:b. 只有-7满足。 如果是a,那有-7,-6两个

Don't understand. Can any NN explain? Thanks!






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