The cubic of 65438+the cubic of 0+2+the cubic of 3+...+the cubic of n is equal to the quadratic of 1/4*n *(n+ 1).

The cubic of 1+the cubic of 2+the cubic of 3+...+/the cubic of kloc-0/00 =25502500.

The quadratic of (-5000) =25000000.

25502500 >25000000