document.write( "Question 929616: what's 9+21? \n" ); document.write( "

Algebra.Com's Answer #564387 by ewatrrr(24785) $\"\"$ $\"About$

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9 + 21 = 1 + 9 + 20 = 30
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document.write( " 9
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document.write( "21 \n" );
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