A certain month has five Thursdays in it and the date of the second Sunday is th

游客2024-08-10  11

问题 A certain month has five Thursdays in it and the date of the second Sunday is the 13th. What is the date of the third Tuesday?

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答案 15th

解析 (由第二个周13是13号推出第一个周日是6号,第一个周四是3号,3+7*4=31,第五个周四是3l号,符合这个月有五个周四这个条件。在第二个周日13号的基础上加2天,为15号。)
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