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\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage[frenchb]{babel}
\usepackage{fp}
\usepackage{xstring}
\usepackage{multido}
\usepackage{multicol, enumerate}
\usepackage{ifthen}
%
\newcommand*\eaddto[2]{%
\edef\tmp{#2}%
\expandafter\addto
\expandafter#1%
\expandafter{\tmp}
}
%\expandafter\FPseed\expandafter=\pdfuniformdeviate 1000000\relax
\expandafter\FPseed\expandafter=\pdfuniformdeviate 1000000000\relax
%
%
\begin{document}
%
%
\multido{}{2}{%
\def\lista{}
\def\listb{}
\def\listc{}
\def\listsgn{}
%
%
\multido{}{20}{
\FPeval{\choix}{trunc(4*random+1,0)}
%
\ifthenelse{\choix=1}{%
\FPeval{\a}{trunc(40*random+1,0)}
\FPeval{\b}{trunc(40*random+1,0)}
\FPeval{\c}{clip(\a+\b)}
\eaddto{\lista}{{\a}}
\eaddto{\listb}{{\b}}
\eaddto{\listc}{{\c}}
\eaddto{\listsgn}{{+}}
}{}
\ifthenelse{\choix=2}{%
\FPeval{\abis}{trunc(40*random+1,0)}
\FPeval{\bbis}{trunc(40*random+1,0)}
\FPeval{\a}{max(\abis,\bbis)}
\FPeval{\b}{min(\abis,\bbis)}
\FPeval{\c}{clip(\a-\b)}
\eaddto{\lista}{{\a}}
\eaddto{\listb}{{\b}}
\eaddto{\listc}{{\c}}
\eaddto{\listsgn}{{-}}
}{}
\ifthenelse{\choix=3}{%
\FPeval{\a}{trunc(9*random+1,0)}
\FPeval{\b}{trunc(9*random+1,0)}
\FPeval{\c}{clip(\a*\b)}
\eaddto{\lista}{{\a}}
\eaddto{\listb}{{\b}}
\eaddto{\listc}{{\c}}
\eaddto{\listsgn}{{\times}}
}{}
\ifthenelse{\choix=4}{%
\FPeval{\b}{trunc(9*random+1,0)}
\FPeval{\c}{trunc(9*random+1,0)}
\FPeval{\a}{clip(\c*\b)}
\eaddto{\lista}{{\a}}
\eaddto{\listb}{{\b}}
\eaddto{\listc}{{\c}}
\eaddto{\listsgn}{{\div}}
}{}}
%
\section{Exercice}
%
Effectue les calculs ci-dessous:
\begin{multicols}{2}
\begin{enumerate}[(1)]
\multido{\n=1+1}{20}{
\item $\StrChar{\lista}{\n}\StrChar{\listsgn}{\n}\StrChar{\listb}{\n}=\ldots \ldots$}
\end{enumerate}
\end{multicols}
%
\section{Corrigé}
%
\begin{multicols}{4}
\begin{enumerate}[(1)]
\multido{\n=1+1}{20}{
\item $\StrChar{\lista}{\n}\StrChar{\listsgn}{\n}\StrChar{\listb}{\n}=\StrChar{\listc}{\n}$}
\end{enumerate}
\end{multicols}
%
}
\end{document} |
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