MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 233
The first user who solved this task is Erkain Mahajanian.
#brainteasers #math #riddles
Edison car starter patentIn 1918, Thomas A. Edison was issued a U.S. patent for a "Starting and Current-Supplying System for Automobiles" (No. 1,255,517). |