document.write( "Question 737367: 1 2 3 5 ? 13 21 ? \n" ); document.write( "
Algebra.Com's Answer #450376 by sachi(548)\"\" \"About 
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1 2 3 5 8 13 21 44 it is fibonacci series the previous no is added to the next \n" ); document.write( "
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