MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 778
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
Oil heaterIn 1894, black American inventor S. Newson was issued a patent for an "oil heater or cooker" (U.S. No. 520,188). |