MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 337
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
Ironing tableIn 1874, the prolific black American inventor Elijah J. McCoy patented an ironing table (No. 150,876). He is best known for his lubricating devices for steam engines for which he held numerous patents. |