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B. 4768. Find all fractions in which the numerator and denominator are both two-digit numbers such that the second digit of the numerator equals the first digit of the denominator, and the value of the fraction stays the same if these identical digits are deleted.

Proposed by A. Velkeyné Gréczi, Ipolyszög

(3 points)

Deadline expired on 10 March 2016.

Statistics on problem B. 4768.
 130 students sent a solution. 3 points: 57 students. 2 points: 45 students. 1 point: 23 students. 0 point: 5 students.

• Problems in Mathematics of KöMaL, February 2016

•  Támogatóink: Morgan Stanley