MATH PUZZLE: Can you replace...
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 83
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
Leeuwenhoek description of protistsIn 1674, Antonie van Leeuwenhoek, in his continuing series of communications to the Royal Society, wrote a letter describing many protists, including the ciliate Vorticella. |