document.write( "Question 1176594: Let A = { 1, 2, 3 }, B = { 2, 4, 5, 6 }, C = { 1, 2, 3, 5, 6 }, D = { 4, 5, 6 }
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Algebra.Com's Answer #803958 by Solver92311(821)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "A set is a subset of another set if and only if ALL of the elements of the first set are contained in the second set.\r
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\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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\n" ); document.write( "\n" ); document.write( "From
\n" ); document.write( "I > Ø
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