Find number abc
If aac11 + 50bc4 = 7b195 find number abc. Multiple solutions may exist.Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
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Perpetual motion machineIn 1882, a perpetual motion machine was patented by John Sutliff in the U.S. (No. 257,103). |