document.write( "Question 201354This question is from textbook Mathematics
\n" ); document.write( ": Solve the following problems using the Russian peasant algorithm 25 X 17 48 X 39 and 120 X 42
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Algebra.Com's Answer #151598 by RAY100(1637)\"\" \"About 
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25 * 17
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\n" ); document.write( "12,,,,34,,,,,even(12), not add
\n" ); document.write( "6,,,,,68,,,,,even (6), not add
\n" ); document.write( "3,,,,,136
\n" ); document.write( "1,,,,,272
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\n" ); document.write( ",,,,,,408 (136 + 272) ,,,,,close to 425
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\n" ); document.write( "48 * 39
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\n" ); document.write( "24,,,,,78, even(24), not add
\n" ); document.write( "12,,,,,156, even(12), not add
\n" ); document.write( "6,,,,,,312, even(6), not add
\n" ); document.write( "3,,,,,,624,
\n" ); document.write( "1,,,,,,1248
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\n" ); document.write( ",,,,,,,1872,,(624 +1248),,,,exactly 1872
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\n" ); document.write( "120 * 42
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\n" ); document.write( "60,,,,,,84, even (60), not add
\n" ); document.write( "30,,,,,168, even(30), not add
\n" ); document.write( "15.,,,,336
\n" ); document.write( "7,,,,,,672
\n" ); document.write( "3,,,,,1344
\n" ); document.write( "1,,,,,2688
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\n" ); document.write( ",,,,,,5040,,,,(336+672+1344+2688),,,exactly 5040
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\n" ); document.write( "again, first column divide by 2,(drop remainders),,second column multiply by two. Cross out even numbers in first column , and mates in second column. Then add remaining second column.\r
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