Find number abc
If ccc99 + a120c = 1b6a04 find number abc. Multiple solutions may exist.Correct answers: 20
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math
Mailbox patentIn 1942, L.A. Thatcher of Stamford, CT received a patent this day - by mail. Appropriately, Mr. Thatcher had patented a coin-operated mailbox. When money was inserted, a meter stamped the envelope. |