Description

It looks super simple formula. However, the calculation rules willchange depending on the color. You are not misled by the gap oflook and answer, or will continue to select the correct answer?Judgment is called into question, brain training game! [Rules] Tocalculate a formula that is displayed on the screen, please pressthe button that correct answer was written. However, by the colorof the formula, the calculation method will change. Black: Thecalculated to display street Red: Always addition Blue: Alwayssubtraction Score will increase 1 When you correct answer. Timelimit when you wrong answer will reduce 10 seconds. Time limit inthe initial state is 30 seconds. Time limit will increase 5 secondseach time you answer 10 questions. [Play mode] Normal: The choicesare two. Left as a result of the addition is, right appearssubtraction results. Hard: The choices are four. Answer that appearin the choices are swapped randomly.