Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 85
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
Edison patentIn 1891, Thomas A. Edison was issued U.S. patent No. 460122 for a "Process of and Apparatus for Generating Electricity" and No. 460123 for a "Phonogram-Blank Carrier." |