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标题: 机警讨论(2)几提的2求解? [打印本页]

作者: tigersun    时间: 2002-10-5 18:57     标题: 机警讨论(2)几提的2求解?

、在春天,xx的行进速度是528mile每100天,问时速。 how to get the answer? 45% the apartments with <=3 people living in each one. What’s the median? (1)80% of the apartments have <=5 (2)35% of the apartments have >=5 ###(C) Note: Median is 4 -------------------------- B Why not D?
作者: tongxun    时间: 2002-10-5 19:26

第2题:
条件1):中数有可能是5、或4。
条件2):中数为4
第一题:
528/(100*24)




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