小学列项法3/1+6/1+10/1+15/1+21/1+28/1+36/1+45/1
问题描述:
小学列项法3/1+6/1+10/1+15/1+21/1+28/1+36/1+45/1
答
3,4,5,6,7,8,9,10……
55/1,66/1,78/1……