Find number abc
If b8ac4 - ba92a = ca88 find number abc. Multiple solutions may exist.Correct answers: 28
The first user who solved this task is Nasrin 24 T.
#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. |