document.write( "Question 1189480: When the multiplication 3 954 708 126 * 999 999 999 is performed, what is the only digit that does not appear in the product? \n" ); document.write( "

Algebra.Com's Answer #820839 by ikleyn(52814) $\"\"$ $\"About$

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\n" ); document.write( "When the multiplication 3 954 708 126 * 999 999 999 is performed,
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document.write( "The hidden meaning of this problem is THIS :\r\n" );
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document.write( "    |    how to find the product  3 954 708 126 * 999 999 999    |\r\n" );
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document.write( "    |    with the minimum effort  (and don't go crazy . . . ).   |\r\n" );
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document.write( "The answer is: take the number  3 954 708 126 000 000 000 and subtract the number  3 954 708 126  from it.\r\n" );
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document.write( "    3 954 708 126 000 000 000\r\n" );
document.write( " -              3 954 708 126\r\n" );
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document.write( "    3 954 708 112 045 291 874    <<<---===  what you see in this line is the sough product (!)\r\n" );
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document.write( "Now, analyzing the digits in the difference, you easily get the ANSWER: the only digit\r\n" );
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document.write( "     which does not appear in the product is 6.\r\n" );
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