document.write( "Question 518112: 26 ? 37 ? 15 ? 6 = 872
\n" ); document.write( "This is one of my 7th grade son's math problems. We have tried every combination of math signs and still have not found the answer. \n" ); document.write( "
Algebra.Com's Answer #345054 by Edwin McCravy(20086)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Either you didn't try\r\n" );
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document.write( "26×37-15×6\r\n" );
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document.write( "or you didn't follow the order of operations:\r\n" );
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document.write( "1. Innermost parentheses.\r\n" );
document.write( "2. Exponents.\r\n" );
document.write( "3. Multiplications and divisions, whichever comes first going left to right.\r\n" );
document.write( "4. Additions and subtractions going left to right.\r\n" );
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document.write( "Note:  If you used a non-scientific calculator and punched it in\r\n" );
document.write( "left to right it will give you the wrong answer.  Only scientific\r\n" );
document.write( "calculators follow the correct order of operations.  Cheap\r\n" );
document.write( "calculators and calculators on cell phones are not scientific.\r\n" );
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document.write( "26×37-15×6\r\n" );
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document.write( "You must do both multiplications first before the subtraction:\r\n" );
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document.write( "Do the multiplication 26×37 first and get 962.\r\n" );
document.write( "Then you replace the 26×37 by 962 and copy the rest over:\r\n" );
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document.write( "  962-15×6\r\n" );
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document.write( "Do the multiplication 15×6 and get 90.\r\n" );
document.write( "Then you replace the 15×6 by 90 and copy the rest over:\r\n" );
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document.write( "  962-90\r\n" );
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document.write( "Finally do the subtraction and get\r\n" );
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document.write( "    872\r\n" );
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document.write( "Edwin

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