Visão geral do jogo
Improve your addition and subtraction mental math using this game.
Question difficulty can be modified with numbers from 10 to 1000. In normal mode, the timer is set to 10 seconds with 3 lives. One life is lost for getting an incorrect answer or after running out of time. In classic mode, the timer starts at 20 seconds and 4 seconds is added every time the correct answer is submitted. Have fun and improve your math too.
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