104 lines
2.3 KiB
TeX
104 lines
2.3 KiB
TeX
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\documentclass[a4paper,10pt]{beamer}
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\usepackage[utf8]{inputenc}
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\usepackage[french]{babel}
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\usepackage{graphicx}
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\usepackage{thumbpdf}
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\usepackage{wasysym}
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\usepackage{ucs}
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\usepackage{pgf,pgfarrows,pgfnodes,pgfautomata,pgfheaps,pgfshade}
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\usepackage{verbatim}
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\usepackage{subfig}
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\usepackage{amssymb}
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\usepackage{tikz}
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\usepackage{enumerate}
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\usepackage{eurosym}
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\usepackage{multicol}
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\begin{document}
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\begin{frame}{Méthode par combinaison}
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\begin{center}
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$ \left\{
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\begin{array}{lcl}
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3x + 4y &=& 195 \\
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4x + 5y &=& 249
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\end{array}
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\right.$
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\end{center}
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\vfill
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\onslide<2->{
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Composition de meubles correspondante
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\includegraphics[scale=0.2]{./fig/meubles_t}
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\textbf{Comment faire pour avoir le même nombre de meubles $X$?}
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}
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\vfill
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\end{frame}
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\begin{frame}{Éxercices}
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\begin{multicols}{2}
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\begin{enumerate}[a)]
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\item $ \left\{
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\begin{array}{lcl}
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2x + 4y &=& -2\\
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4x + 5y &=& 5
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\end{array}
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\right.$
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% x = 5 et y = -3
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\vspace{0.5cm}
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\onslide<2>{x=5 et y = -3}
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\vspace{0.5cm}
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\item $ \left\{
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\begin{array}{lcl}
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3x + 2y &=& 75 \\
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5x + 5y &=& 90
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\end{array}
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\right.$
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% x = -3 et y = 21
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\vspace{0.5cm}
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\onslide<2>{x=-3 et y = 21}
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\vspace{0.5cm}
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\item $ \left\{
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\begin{array}{lcl}
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6x + 3y &=& 114 \\
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4x + 9y &=& 307
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\end{array}
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\right.$
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%x = 2.5 et y = 33
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\vspace{0.5cm}
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\onslide<2>{x=2.5 et y = 33}
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\vspace{0.5cm}
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\item $ \left\{
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\begin{array}{lcl}
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6 x + 44 y &=& 755 \\
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30 x - 7y &=& 143
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\end{array}
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\right.$
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%x = 8.5 et y = 16
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\vspace{0.5cm}
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\onslide<2>{x=8.5 et y = 16}
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\vspace{0.5cm}
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\end{enumerate}
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\end{multicols}
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\end{frame}
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\end{document}
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