How many times can you subtr...
How many times can you subtract the number 5 from 25?Correct answers: 129
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
Marconi patentIn 1897, Guglielmo Marconi received a U.S. patent for a wireless telegraph (No. 586,193). |