It is given that the nth term of a sequence is 2(n-1)/2.what is the 4th term of the sequence
问题描述：
It is given that the nth term of a sequence is 2(n-1)/2.what is the 4th term of the sequence
答
3有题目意思没？假定一个数列的第n项为2（n-1)/2,那么这个数列的第四项为？