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B. 4792. Is it true that by deleting infinitely many appropriate digits out of the decimal representation of any positive irrational number, we can always get back the original number?

(5 points)

Deadline expired on 10 May 2016.

Statistics on problem B. 4792.
 84 students sent a solution. 5 points: 51 students. 4 points: 7 students. 3 points: 19 students. 2 points: 1 student. 1 point: 2 students. 0 point: 4 students.

• Problems in Mathematics of KöMaL, April 2016

•  Támogatóink: Morgan Stanley