Find number abc
If 662c4 + caabb = 7b6ca find number abc. Multiple solutions may exist.Correct answers: 35
The first user who solved this task is Djordje Timotijevic.
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StethoscopeIn 1882, a stethoscope of the now classic design, invented by William F. Ford was issued a U.S. patent (No. 257,487). |