11^3+12^3+...+99^3+100^3

11^3+12^3+...+99^3+100^3


11^3+12^3+...+99^3+100^3
=100^2(100+1)^2/4-10^2*(10+1)^2/4
=25502000



1*2*3*…… *99=?


Multiplication is not a simple algorithm, to specific results can only be calculated by calculator
Or only factorial, 99!



1+3+2+99


105