document.write( "Question 1022913: Please help me to find next number....
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Algebra.Com's Answer #639008 by Edwin McCravy(20081)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Here's a ways that always works:\r\n" );
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document.write( "Make a difference pyramid. Subtract every number that has \r\n" );
document.write( "a number just to the right of it from that number, putting \r\n" );
document.write( "the answer between them on the row below.  Continue until \r\n" );
document.write( "there is only one number along the bottom row.\r\n" );
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document.write( "5    17      22     26\r\n" );
document.write( "  12      5      4\r\n" );
document.write( "     -7      -1\r\n" );
document.write( "          6\r\n" );
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document.write( "Repeat that number in this case 6, at the bottom and work \r\n" );
document.write( "backward by adding each number to the number on its upper\r\n" );
document.write( "left until you get back up to the top row.  \r\n" );
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document.write( "5    17      22     26      35\r\n" );
document.write( "  12      5      4       9\r\n" );
document.write( "     -7      -1     5\r\n" );
document.write( "          6      6\r\n" );
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document.write( "Answer: 35\r\n" );
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document.write( "Edwin
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