What is the missing number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 59
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
Arthur L. SchawlowDied 28 Apr 1999 at age 77 (born 5 May 1921).American physicist who shared (with Nicolaas Bloembergen and Kai Siegbahn) the 1981 Nobel Prize for Physics for his work in developing the laser and in laser spectroscopy. |