Find number abc
If 6c533 - b33a0 = 44153 find number abc. Multiple solutions may exist.Correct answers: 28
The first user who solved this task is Nílton Corrêa de Sousa.
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Nail MachineIn 1791, Samuel Briggs and his son, Samuel Briggs, Jr. became the first father-son pair to receive a joint U.S. patent. Their invention was a nail-making machine. |