MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 286
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
Edison patents at Menlo ParkIn 1876, Thomas Edison executed patent applications (on acoustic telegraphy) which were the first since moving to Menlo Park (his second and third applications after a year-long hiatus). |