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Mental Math

Solve as many additions, subtractions and multiplications as you can in 60 seconds. More correct answers ranks higher.

Controls Press Start for 60 seconds. Your answer is checked as soon as you have typed enough digits, so you do not need to press Enter. A wrong answer clears the box (no penalty); use Skip (or Enter on an empty box) if you are stuck. The numbers get bigger as you solve. Subtraction answers are never negative.

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