-1,3/2,-1/3,3/4,-1/5,3/6…的通项公式

(1+1/2+1/3+1/4+1/5)*(1/3+1/4+1)-(1+1/3+1/4)*(1/2+1/3+1/4+1/5) (-2/3)+1/2+4/5+(-1/2)+(-1/3) 1+1 2+2 3+3 4+4 5+5 (1+1/2+1/3+1/40)*(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4)(1+1/2+1/3+1/4)*(1/2+1/3+1/4+1/5)-(1+1/2+1/3+1/4+1/5)*(1/2+1/3+1/4),不好意思,是下面这个! 1,2,3,4,5 1,2,3,4,5, 1 2 3 4 5 1,2,3,4,5 1,2,3,4,5, 1 2 3 4 5 1,2,3,4,5, .1,2,3,4,5, 1,2,3,4,5, 1,2,3,4,5, 1 2 3 4 5 1、2、3、4、5 1,2,3,4,5, 3,4,5,1,2