MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 272
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
Calder Hall nuclear power station closedIn 2003, Calder Hall nuclear power station was closed at the end of an almost 47 years of service since it was opened on 17 Oct 1956. It was the world's first commercial nuclear power station that was connected to a national electricity grid. |