What is the missing number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 75
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
Russo-American space walkIn 1997, U.S. astronaut Jerry M. Linenger and Russian cosmonaut Vasily Tsibliyev completed the first-ever Russo-American space walk, a five-hour excursion from the Russian space station Mir.* |