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4d divides 5d (Posted on 2014-12-26) Difficulty: 3 of 5
Find all five digit numbers such that the number formed by deleting the middle digit divides the original number.

Source: Canadian math. contest

See The Solution Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

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Solution Answer Comment 2 of 2 |
xy00*10=xy000


  Posted by Math Man on 2014-12-30 21:11:08
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