Find number abc
If b29cb - 5ba3c = 2aab7 find number abc. Multiple solutions may exist.Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
#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. |