document.write( "Question 1096519: If you rotate a sheet of paper by 180 degrees, digits 0, 1, and 8 do not change; 6 becomes a 9; 9 becomes a 6; while other digits lose their meaning. Count all the 7-digit numbers that do not change upon rotation by 180 degrees. \n" ); document.write( "
Algebra.Com's Answer #711719 by Gentle Phill(18)\"\" \"About 
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#SOLN
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\n" ); document.write( "...Let's crack some nuts...
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\n" ); document.write( "Collect data..
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\n" ); document.write( "Only numbers with 0, 1 and 8 do not oppose the motion.
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\n" ); document.write( "Process data..
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\n" ); document.write( "Form seven-digit numbers with 0, 1 and 8
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\n" ); document.write( "Millions place can take only 2 digits (1 and 8)
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\n" ); document.write( "Others (from hundreds of thousand down to unit) can take all 3 each.
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\n" ); document.write( "We have:
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\n" ); document.write( "[2][3][3][3][3][3][3] nos
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\n" ); document.write( "Give out Information..
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\n" ); document.write( "558 seven-digit numbers can be rotated half way but remain same.
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\n" ); document.write( "#CRACKED
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\n" ); document.write( "Your friend,
\n" ); document.write( "Francis.
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