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Equality of ends (
Posted on 20120304
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How many sixdigit integers have the sum of their two leftmost digits equal to the sum of their two rightmost digits?
Submitted by
Ady TZIDON
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There are 61,500 different sixdigit numbers such that the the sum of the leftmost pair of digits equals the sum of the rightmost pair (see DejMar for detailed solution),
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Subject
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answer
Dej Mar
20120304 12:28:37
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