Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 78
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
Hayward A. HarveyDied 28 Aug 1893 at age 69 (born 17 Jan 1824).Hayward Augustus Harvey was an American inventor who discovered the modern method of strengthening armour plating. |