Find number abc
If 565ba + a3c0b = 150b31 find number abc. Multiple solutions may exist.Correct answers: 81
The first user who solved this task is Djordje Timotijevic.
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First docking in spaceIn 1969, two manned Soviet Soyuz spaceships (Soviet Soyuz 4and Soyuz 5) became the first vehicles to dock in space and transfer personnel. |