Find number abc
If ca63a - 62b6b = 3257a find number abc. Multiple solutions may exist.Correct answers: 37
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
Printing pressIn 1863, the first U.S. patent for a continuous-roll printing press was issued to William Bullock (No. 38,200). Two years later the machine had been built, and was the first press built to use special curved stereo-type plates. It was first used by the New York Sun. Both sides of the paper were printed, as well as being cut into sheets, either before or after printing. |