来自陈竹西的问题
设正整数m,n,满足m<n,且1m2+m+1(m+1)2+(m+1)+…+1n2+n=123,则m+n的值是______.
设正整数m,n,满足m<n,且1m2+m+1(m+1)2+(m+1)+…+1n2+n=123,则m+n的值是______.
1回答
2020-03-01 01:20
设正整数m,n,满足m<n,且1m2+m+1(m+1)2+(m+1)+…+1n2+n=123,则m+n的值是______.
设正整数m,n,满足m<n,且1m2+m+1(m+1)2+(m+1)+…+1n2+n=123,则m+n的值是______.
∵1n