document.write( "Question 854313: The sum of the composite numbers between 20 and 30,minus the sum of the sum of the prime numbers \n" ); document.write( "
Algebra.Com's Answer #514581 by LinnW(1048)\"\" \"About 
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Composite numbers between 20 and 30 are
\n" ); document.write( "20 21 22 24 25 26 27 28 30
\n" ); document.write( "There sum is 20+21+22+24+25+26+27+28+30 = 223
\n" ); document.write( "Prime numbers between 20 and 30
\n" ); document.write( " 23 29
\n" ); document.write( "Their sum is 23+29 = 52
\n" ); document.write( "223 - 52 = 171
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