数列4.7.10…….364.367中,367是第几项?
问题描述:
数列4.7.10…….364.367中,367是第几项?
答
(367-1)/3
=366/3
=122项
数列4.7.10…….364.367中,367是第几项?
(367-1)/3
=366/3
=122项