MATH PUZZLE: Can you replace...MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 47
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
AnesthesiaIn 1846, the word anesthesia was coined by Oliver Wendell Holmes in a letter to William Thomas Green Morton, the surgeon who gave the first public demonstration of the pain-killing effects of ether.