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
Refrigeration patentIn 1950, black American inventor F.M. Jones was issued a patent for a "System for Controlling Operation of Refrigeration Units" (No. 2,509,099). |