还是我理解错了.已知数列{an}满足a1=m(m为正整数),an+1=an/2(an为偶数)或an+1=3an+1(an为奇数),若a6=1,求m 很多人都直接可以 推回去 求出 a5 之类的.怎么能呢?a6=1,1是奇数,只能带 an为奇数的
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/07 03:01:14
![还是我理解错了.已知数列{an}满足a1=m(m为正整数),an+1=an/2(an为偶数)或an+1=3an+1(an为奇数),若a6=1,求m 很多人都直接可以 推回去 求出 a5 之类的.怎么能呢?a6=1,1是奇数,只能带 an为奇数的](/uploads/image/z/3792005-53-5.jpg?t=%E8%BF%98%E6%98%AF%E6%88%91%E7%90%86%E8%A7%A3%E9%94%99%E4%BA%86.%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97%EF%BD%9Ban%EF%BD%9D%E6%BB%A1%E8%B6%B3a1%3Dm%EF%BC%88m%E4%B8%BA%E6%AD%A3%E6%95%B4%E6%95%B0%EF%BC%89%2Can%2B1%3Dan%2F2%28an%E4%B8%BA%E5%81%B6%E6%95%B0%EF%BC%89%E6%88%96an%2B1%3D3an%2B1%EF%BC%88an%E4%B8%BA%E5%A5%87%E6%95%B0%EF%BC%89%2C%E8%8B%A5a6%3D1%2C%E6%B1%82m+%E5%BE%88%E5%A4%9A%E4%BA%BA%E9%83%BD%E7%9B%B4%E6%8E%A5%E5%8F%AF%E4%BB%A5+%E6%8E%A8%E5%9B%9E%E5%8E%BB+%E6%B1%82%E5%87%BA+a5+%E4%B9%8B%E7%B1%BB%E7%9A%84.%E6%80%8E%E4%B9%88%E8%83%BD%E5%91%A2%3Fa6%3D1%2C1%E6%98%AF%E5%A5%87%E6%95%B0%2C%E5%8F%AA%E8%83%BD%E5%B8%A6+an%E4%B8%BA%E5%A5%87%E6%95%B0%E7%9A%84)
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