document.write( "Question 648840: I need help solving this problem in my math textbook. Use the numbers 1, 2, 4, and 5 in any order to write expressions equal to each integer from 1 to 20. \n" ); document.write( "
Algebra.Com's Answer #406811 by swincher4391(1107)\"\" \"About 
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2-1 = 1
\n" ); document.write( "4-2 = 2
\n" ); document.write( "4-1 = 3
\n" ); document.write( "5-1 = 4
\n" ); document.write( "4+1 = 5
\n" ); document.write( "5+1 = 6
\n" ); document.write( "5+2 = 7
\n" ); document.write( "5+2+1 = 8
\n" ); document.write( "4+5 = 9
\n" ); document.write( "2*5 = 10
\n" ); document.write( "1+(2*5) = 11
\n" ); document.write( "4*(2+1) = 12
\n" ); document.write( "(4*2)+5 = 13
\n" ); document.write( "(5*2) + 4 = 14
\n" ); document.write( "5 * (1+2) = 15
\n" ); document.write( "4^2 = 16
\n" ); document.write( "(5*4) - (1+2) = 17
\n" ); document.write( "(5*4) - (1*2) = 18
\n" ); document.write( "(5*4) - 1 = 19
\n" ); document.write( "(5*4) = 20 \n" ); document.write( "
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