Find number abc
If a9a91 - ac9b9 = 6c2 find number abc. Multiple solutions may exist.Correct answers: 74
The first user who solved this task is Djordje Timotijevic.
#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. |