Problem:IOL/2011/i5/en(A): Revision history

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17 June 2020

5 May 2020

  • curprev 17:3517:35, 5 May 2020‎ VANeacsu talk contribs‎ 2,694 bytes +2,694‎ Created page with "=== IOL 2011 Problem #5 EAN-13 === The barcode language EAN-13 (or GTIN-13) is used in almost every country in the world, yet nobody speaks it. It has 10 main dialects or subc..."
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