What is the missing number?
What is the missing number?Correct answers: 66
The first user who solved this task is Nasrin 24 T.
#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. |