Calculate axb
Look at the series (314, 412, a, 832, 848, b, 8480), determine the pattern, and calculate axb.Correct answers: 34
The first user who solved this task is Sanja Šabović.
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Hot air balloon ascentIn 1783, the first hot-air balloon ascent - unmanned - flew for ten minutes. It was made by the French brothers Joseph-Michel and Jacques-Étienne Montgolfier at their home town of Annonay, France. |