Find number abc
If 2aac8 - 21b3a = b111 find number abc. Multiple solutions may exist.Correct answers: 28
The first user who solved this task is Nasrin 24 T.
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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. |