CMO 1970 Problem 4
- Paper
a) Find all positive integers with initial digit 6 such that the integer formed by deleting 6 is of the original integer. b) Show that there is no integer such that the deletion of the first digit produces a result that is of the original integer.
Dataset text AI-MO AoPS. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
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