Find number abc
If abba3 + a5cca = 9a067 find number abc. Multiple solutions may exist.Correct answers: 42
The first user who solved this task is Djordje Timotijevic.
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Roller skatesIn 1884, the first U.S. patent for ball-bearing roller skates was issued to Levant M. Richardson of the Richardson Skate Company, Chicago, Illinois. This design allowed until then unseen speed. (No. 308,990) |