400-600-1123
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答案：
E
换一种思
画韦恩图即可解：
棕色头发人数=60*1/2=30;
男性人数=60*1/3=20;
题目就是求两者的交集，根据维恩图，两者交集的范围在0-20之间（因为30+20=50<60总人数，所以交集可能为0），所以选E
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