是一道DS.
Did one of the 3 members of a certain team sell at least 2 raffle tickets yesterday?
1) The 3 members sold a total of 6 raffle tickets yesterday
2) No 2 of the members sold the same number of raffle tickets yesterday.
答案选的是D,可我觉得第二个条件单独不能确定呀~~纠结啊。。。求各位大牛帮帮忙哈~~不甚感激
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第二个条件下,三个人卖的票数只和最小的情况是三人分别卖0 1 2,已经保证one of the members sell at least 2 tickets,所以成立
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