Can you replace the question mark with a number?
MATH PUZZLE: Can you replace the question mark with a number?Correct answers: 62
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
Chemical weapons treatyIn 1997, the U.S. ratified the worldwide Chemical Weapons Convention treaty between 88 countries that would take effect on 29 Apr 1997. However Russia and a number of other states known to possess such weapons failed to do so. eb. |