求数列1,12,12,13,13,13,14,14,14,14
求数列1,12,12,13,13,13,14,14,14,14
数列 (14 13:43:46)
求数列1, 2+3+4, 5+6+7+8+9, 10+11+12+13+14+15+16,.,的和
求数列规律求以下数列通项公式1,2,3,4,5,6,7,8,9,10,12,14,16,18,20,22,24,26,2
已知数列{an}:12,13+23,14+24+34,15+25+35+45,…,那么数列{bn}={1anan+1}前
给定数列,1,2+3+4,5+6+7+8+9,10+11+12+13+14+15+16,…则这个数列的通项公式是( )
求数列:0,1,2,6,7,8,12,13,14,18,19,20,24,25,26,30,31,32,...的表达式?
求数列通项式a: 1,2,5,6,3,4,8,7,9,10,14,13,11,12,16,15, b: 4,8,7,3,
数列题14求手写过程
若数列:1,2,4,5,7,9,10,12,14,16,17,19,21,23,25------求数列第2009项是多少
若数列:1,2,4,5,7,9,10,12,14,16,17,19,21,23,25----求数列第2009项是多少?
求这个数列的通项公式:1,2,3,5,6,7,9,10,11,13,14,15,17.