MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 60
The first user who solved this task is Alfa Omega.
#brainteasers #math #riddles
Arsène-Jules-Étienne-Juvénal DupuitBorn 18 May 1804; died 5 Sep 1866 at age 62.French engineer and economist who was one of the first to analyze the cost-effectiveness of public works. |