document.write( "Question 745006: How do i solve 49 times 19... Mentally? \n" ); document.write( "
Algebra.Com's Answer #453661 by stanbon(75887)\"\" \"About 
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How do i solve 49 times 19... Mentally?
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\n" ); document.write( "49*19 = (50-1)(20-1) = 1000-50-20+1 = 931
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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