document.write( "Question 1133960: How many 4 digit combinations using number 1,1,2,3?\r
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Algebra.Com's Answer #751224 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
4!/2!1!1!
\n" ); document.write( "=24/2=12 ways
\n" ); document.write( "1123
\n" ); document.write( "1132
\n" ); document.write( "1213
\n" ); document.write( "1231
\n" ); document.write( "1312
\n" ); document.write( "1321
\n" ); document.write( "2311
\n" ); document.write( "2113
\n" ); document.write( "2131
\n" ); document.write( "3112
\n" ); document.write( "3121
\n" ); document.write( "3211
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