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Diffstat (limited to 'Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex')
-rw-r--r-- | Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex | 17 |
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diff --git a/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex new file mode 100644 index 00000000000..fb2cdf571fa --- /dev/null +++ b/Master/texmf-dist/doc/latex/guide-to-latex/exercises/chap10/exer10-5.tex @@ -0,0 +1,17 @@ +\documentclass{article} +\newcounter{saveeqn} +\newcounter{prenum} +\newcommand{\vareqn}[2]{\setcounter{saveeqn}{\value{equation}}% + \setcounter{equation}{0}\setcounter{prenum}{#1} + \renewcommand{\theequation}{\arabic{prenum}[#2{equation}]}} +\newcommand{\reseteqn}{\setcounter{equation}{\value{saveeqn}}% + \renewcommand{\theequation}{\arabic{equation}}} +\begin{document} +\setcounter{equation}{9} +\vareqn{33}{\Alph} +\begin{equation} \frac{a^2 - b^2}{a + b} = a - b \end{equation} +\begin{equation} \sqrt[3]{-q + \sqrt{q^2 + p^2}} \end{equation} +\begin{equation} \sqrt[n]{\frac{x^n - y^n}{1 + u^{2n}}} \end{equation} +\reseteqn +\begin{equation} 2\sum_{i=1}^n a_i \int^b_a f_i(x) g_i(x)\,dx \end{equation} +\end{document} |