Latex多项式式长除方法.doc

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1、多项式式长除方法begin{tabular}{r@{}r@{}c@{}c@{}c@{}c}quad&quad&quad&$quadx^2$&$+2x$&$+2$\cline{2-6}$x-1$&big)&$quadx^3$&$+x^2$&quad&$-1$\quad&quad&$-x^3$&$+x^2$&quad&quad\cline{3-4}quad&quad&quad&$2x^2$&quad&quad\quad&quad&quad&$-2x^2$&$+2x$&quad\cline{4-5}quad&quad&quad&

2、quad&$quad2x$&$-1$\quad&quad&quad&quad&$-2x$&$+2$\cline{5-6}quad&quad&quad&quad&quad&$quad1$end{tabular}begin{tabular}{r@{}r@{}c@{}c@{}c@{}c}quad&quad&quad&$quadx^2$&$+2x$&$+2$\%cline{2-6}%$x-1$&big)&$quadx^3$&$+x^2$&quad&$-1$\$x-1$&multicolumn{5}{l}{$egthickspace!!

3、{big)egthickspace!overline{vphantom{A}{quadx^3+x^2quad;-1}}}$}\quad&quad&$-x^3$&$+x^2$&quad&quad\cline{3-4}quad&quad&quad&$2x^2$&quad&quad\quad&quad&quad&$-2x^2$&$+2x$&quad\cline{4-5}quad&quad&quad&quad&$quad2x$&$-1$\quad&quad&quad&quad&$-2x$&$+2$\cline{5-6

4、}quad&quad&quad&quad&quad&$quad1$end{tabular}