%% %% Ein Beispiel der DANTE-Edition %% Mathematiksatz mit LaTeX %% 2. Auflage %% %% Beispiel 06-19-1 auf Seite 131. %% %% Copyright (C) 2012 Herbert Voss %% %% It may be distributed and/or modified under the conditions %% of the LaTeX Project Public License, either version 1.3 %% of this license or (at your option) any later version. %% %% See http://www.latex-project.org/lppl.txt for details. %% %% %% ==== % Show page(s) 1 %% %% \documentclass[]{exaarticle} \pagestyle{empty} \setlength\textwidth{352.81416pt} \AtBeginDocument{\setlength\parindent{0pt}} \StartShownPreambleCommands \usepackage{amsmath} \StopShownPreambleCommands \begin{document} \begin{gather*} \begin{align*} m_2 &= m_2' + m_2''\\ &= \frac{V_2'}{v_2'} + \frac{V_2''}{v_2''} \end{align*}\\ \Rightarrow m_2 v_2' = V - V_2'' + V_2''\frac{v_2'}{v_2''} \end{gather*} \begin{gather*} \begin{align*} m_2 &= m_2' + m_2''\\ &= \frac{V_2'}{v_2'} + \frac{V_2''}{v_2''} & %<<<==== \end{align*}\\ \Rightarrow m_2 v_2' = V - V_2'' + V_2''\frac{v_2'}{v_2''} \end{gather*} \end{document}