document.write( "Question 1210212: How many positive integers are there whose digits strictly decrease from left to right, and have at most one even digit, and the sum of the digits is 6? \n" ); document.write( "

Algebra.Com's Answer #851629 by ikleyn(52781) $\"\"$ $\"About$

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\n" ); document.write( "How many positive integers are there whose digits strictly decrease from left to right,
\n" ); document.write( "and have at most one even digit, and the sum of the digits is 6?
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\n" ); document.write( "\n" ); document.write( "The answer in the post by @CPhill is incorrect.\r
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document.write( "The numbers satisfying the imposed conditions are\r\n" );
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document.write( "    6, 51, 510, 321.\r\n" );
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document.write( "The number of such numbers is 4.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved.\r
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