810 + 103 = 913
510 + 810 = 1320
810 + 354 = 1164
3,410 :)
25 + 810 = 835. You seem to be unaware of the fact that you could have obtained the answer much more easily and quickly by using the calculator that comes as part of your computer.
The answer = 3450
512 + -14 + 312 = 810
44 + 555 + 211 = 810
Well, darling, it's simple math. If you take 405 and add it to another 405, you get 810. So, 405 plus 405 equals 810. Easy peasy lemon squeezy.
800 + 10 = 810
103
103 + 500 = 603
103 + 300 = 403