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Diffstat (limited to 'info/examples/Math/09-26-3.ltx')
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diff --git a/info/examples/Math/09-26-3.ltx b/info/examples/Math/09-26-3.ltx new file mode 100644 index 0000000000..802f43edca --- /dev/null +++ b/info/examples/Math/09-26-3.ltx @@ -0,0 +1,43 @@ +%% +%% Ein Beispiel der DANTE-Edition +%% Mathematiksatz mit LaTeX +%% 3. Auflage +%% Beispiel 09-26-3 auf Seite 207. +%% Copyright (C) 2018 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[10pt]{exaartplain} +\pagestyle{empty} +\setlength\textwidth{170.40707pt} +\AtBeginDocument{\setlength\parindent{0pt}} +%StartShownPreambleCommands +\usepackage{witharrows}% lädt automatisch tikz +\usetikzlibrary{calc} +%StopShownPreambleCommands +\begin{document} +$\begin{WithArrows}[ll,interline=5mm,xoffset=5mm, + TikzCode={\draw[rounded corners, + every node/.style = {circle, draw, auto = false, + inner sep = 1pt, fill = gray!50, font = \tiny }] + let \p1 = (#1), \p2 = (#2) in + \ifdim \x1 > \x2 (\p1) -- + node {#3} (\x1,\y2) -- (\p2) + \else (\p1) -- (\x2,\y1) -- node {#3} (\p2) + \fi ;} ] +E & \Longleftrightarrow \frac{(x+4)}3 + + \frac{5x+3}5 = 7 \Arrow{$\times 15$}\\ +& \Longleftrightarrow 5(x+4) + 3(5x+3) = 105 \\ +& \Longleftrightarrow 5x+20 + 15x+9 = 105 \\ +& \Longleftrightarrow 20x+29 = 105 \Arrow{$-29$}\\ +& \Longleftrightarrow 20x = 76 \Arrow{$\div 20$}\\ +& \Longleftrightarrow x = \frac{38}{10} +\end{WithArrows}$ +\end{document} |