Replace the question mark with a number
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 141
The first user who solved this task is Roxana zavari.
#brainteasers #math #riddles
Solar eclipseIn 1662, the first recorded astronomical observation of the first Astronomer Royal was John Flamsteed's observation of a solar eclipse from his home in Derby at the age of sixteen, about which he corresponded with other astronomers. Flamsteed's interest in astronomy was stirred by the solar eclipse, and besides reading all he could find on the subject he attempted to make his own measuring instruments. |