document.write( "Question 1192708: MAT 145: Topics In Contemporary Math\r
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\n" ); document.write( "\n" ); document.write( "Add the following base-3 numbers:\r
\n" ); document.write( "\n" ); document.write( "1) 20112(3) + 11021(3)\r
\n" ); document.write( "\n" ); document.write( "Subtract the following base-9 numbers:\r
\n" ); document.write( "\n" ); document.write( "2) 41802(9) - 23745(9)
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Algebra.Com's Answer #824609 by ikleyn(52858)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Regarding addition in other bases than 10, see and learn from this video-lesson\r
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\n" ); document.write( "\n" ); document.write( "https://www.youtube.com/watch?v=U-19aiF2pbg\r
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\n" ); document.write( "\n" ); document.write( "For textual explanations, see and learn from this web-page\r
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\n" ); document.write( "\n" ); document.write( "https://online.math.uh.edu/Math2303-unpaid/ch1/s15/2303-Section-15.pdf\r
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\n" ); document.write( "\n" ); document.write( "I am waiting patiently, when this day comes, when you, finally, after my every-day explanations,\r
\n" ); document.write( "\n" ); document.write( "will do at least one step on your own . . . \r
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