Question

`1^3-2^3+3^3-4^3...+9^3=?`

Answer 1

425

Explanation:

So the question is:

`1^3 - 2^3 +3^3 - 4^3 + 5^3 - 6^3 + 7^3 - 8^3 + 9^3`

Solve the all the power 3 first- you will get :

`=1-8+27-64+125-216+343-512+729`

And now solve the operations.

Answer is `425`