document.write( "Question 917748: If 7+5+9=18
\n" ); document.write( " 9+8+8=8
\n" ); document.write( "So 9+9+9=??
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Algebra.Com's Answer #558776 by srinivas.g(540)\"\" \"About 
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7+5+9 =18
\n" ); document.write( " 9+8+8=8
\n" ); document.write( " if we look at 7+5+9 =18
\n" ); document.write( " difference b/e first 2 terms =2
\n" ); document.write( " if you multiply 2 with third term ( 9 )we get 18 as the third term\r
\n" ); document.write( "\n" ); document.write( " similarly 9+8+8 = 8
\n" ); document.write( " difference b/e first 2 terms =1
\n" ); document.write( " if you multiply 1 with third term (8) we get 8 as the third term
\n" ); document.write( " similarly
\n" ); document.write( " 9-9 =0 0*9 =0
\n" ); document.write( " hence 9+9+9=0
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