Find number abc
If 605ca + 523b3 = aa29ab find number abc. Multiple solutions may exist.Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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Rocket mailIn 1928, Austrian Friedrich Schmiedl launched his first experimental rocket. The design he first used was not successful. However, by 9 Sep1931, he started the world's first official postal rocket-mail service between two Austrian towns. A parachute provided a safe landing. His rocket-mail service continued until 16 Mar 1933 when laws prohibited the civilian use of explosives (including his rocket fuel.) |