MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 83
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
George DollondBorn 25 Jan 1774; died 13 May 1852 at age 78.British optician who invented a number of precision instruments used in astronomy, geodesy, and navigation. |