Find number abc
If 743aa + 89cb1 = 1b3883 find number abc. Multiple solutions may exist.Correct answers: 83
The first user who solved this task is Manguexa Wagle.
#brainteasers #math
Shutter patentIn 1883, black American inventor J. Cooper was issued a patent for his invention, "Shutter and Fastening" (No. 276,563). In the next few years, he also patented elevator devices. |