Mental arithmetic is not very fun, and i do not know anyone who wants to practice calculating in his free time. fortunately, i know a fun way to become the best in mental arithmetic! you'll have to do additions, subtractions, multiplications or divisions. depending on your level, you will have more or less complicated questions. the goal is to give the right answer so the red creature can climb a little higher up the mountain. if you mess up, it will come down and will be in danger. go as high as possible before the time runs out.
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