Find number abc
If b572c - a552b = 101b7 find number abc. Multiple solutions may exist.Correct answers: 35
The first user who solved this task is H Tav.
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Radio faxIn 1905, the radio fax was patented in the U.S. by Cornelius Ehret of Rosemont, Pennsylvania. His device was called "a system for transmitting intelligence." However, faxing did not become a practical mode of communication until the 1920s, and high-speed faxes were not available until the 1940s. |