Replace the question mark with a number
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 490
The first user who solved this task is Vladimir Krnac.
#brainteasers #math #riddles
Jean-Marie-Constant DuhamelDied 29 Apr 1872 at age 75 (born 5 Feb 1797).French mathematician and physicist who proposed a theory dealing with the transmission of heat in crystal structures based on the work of the French mathematicians Jean-Baptiste-Joseph Fourier and Siméon-Denis Poisson. |