document.write( "Question 979613: RIDDLE
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document.write( "I am a 4-digit number.
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document.write( "I am in the 21st
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document.write( "century.
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document.write( "The sum of my first and third numbers makes an exact square number
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document.write( "Who am I ???? \n" );
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Algebra.Com's Answer #600908 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! I am a 4-digit number. \n" ); document.write( "I am in the 21st \n" ); document.write( "century. \n" ); document.write( "The sum of my first and third numbers makes an exact square number \n" ); document.write( "Who am I ???? \n" ); document.write( "----------- \n" ); document.write( "202x \n" ); document.write( "---- \n" ); document.write( "207x \n" ); document.write( "--- \n" ); document.write( "x = 0...9 \n" ); document.write( " |