Sum's Genius

Thử thách bản thân trong trò chơi toán học này

The objective of the game is simple: Add two numbers and answer correctly.

The game gets harder with each correct answer. Pay attention: you only have a few seconds to choose the correct answer.

If you answer wrong or time runs out, the game is over!

Your highest score is recorded for you to surpass yourself more and more.

Show that you are a math genius!