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All-Russian Olympiad Regional Round
1996 All-Russian Olympiad Regional Round
8.7
8.7
Part of
1996 All-Russian Olympiad Regional Round
Problems
(1)
earse natural from board - All-Russian MO 1996 Regional (R4) 8.7
Source:
9/23/2024
Dunno wrote several different natural numbers on the board and divided (in his head) the sum of these numbers by their product. After this, Dunno erased the smallest number and divided (again in his mind) the amount of the remaining numbers by their product. The second result was
3
3
3
times greater than the first. What number did Dunno erase?
number theory
algebra