2016-2017/3e/DM/DM_16_11_14/exo_tech_fractions.tex
2017-06-16 09:49:23 +03:00

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\begin{parts}
\part Compléter les pointillés pour qu'il y est bien égalité.
\hspace{-1cm}
\begin{center}
\Block{set a,b,c = random_str("{a},{b},{b*c}", conditions = ["{a} != {b}", "{a} > 1", "{b}>1","{c}>1"]).split(',')}%
$\dfrac{\Var{a}}{\Var{b}} = \dfrac{\ldots}{\Var{c}}$
\hfill
\Block{set a,b,c = random_str("{a},{b},{b*c}", conditions = ["{a} != {b}", "{a} > 1", "{b}>1","{c}>1"]).split(',')}%
$\dfrac{\Var{a}}{\Var{b}} = \dfrac{\ldots}{\Var{c}}$
\hfill
\Block{set a,b,c = random_str("{a},{b},{b*c}", conditions = ["{a} != {b}", "{a} > 1", "{b}>1","{c}>1"]).split(',')}%
$\dfrac{\cdots}{\Var{c}} = \dfrac{\Var{a}}{\Var{b}}$
\hfill
\Block{set a,b,c = random_str("{a},{b},{a*c}", conditions = ["{a} != {b}", "{a} > 1", "{b}>1","{c}>1"]).split(',')}%
$\dfrac{\Var{a}}{\Var{b}} = \dfrac{\Var{c}}{\cdots}$
\end{center}
\vfill
\part Faire les calculs suivants en détaillant les étapes (penser à simplifier les fractions quand c'est possible).
\begin{multicols}{2}
\begin{subparts}
\Block{set e = Expression.random("{a} / {b} + {c} / {b}", ["{b} > 1", "{a} > 0", "{c} > 0"])}
\subpart $A = \Var{e}$
\begin{solution}
\begin{eqnarray*}
\Var{e.simplify().explain() | calculus(name = "A")}
\end{eqnarray*}
\end{solution}
\Block{set e = Expression.random("{a} / {b} + {c} / {b}", ["{b} > 1"])}
\subpart $B = \Var{e}$
\begin{solution}
\begin{eqnarray*}
\Var{e.simplify().explain() | calculus(name = "B")}
\end{eqnarray*}
\end{solution}
\Block{set e = Expression.random("{a} / {b} + {c} / {d*b}", ["{b} > 1", "{c} > 1", "{d} > 1"])}
\subpart $C = \Var{e}$
\begin{solution}
\begin{eqnarray*}
\Var{e.simplify().explain() | calculus(name = "C")}
\end{eqnarray*}
\end{solution}
\Block{set e = Expression.random("{a} / {b} + {c} / {d*b}", ["{b} > 1", "{d} > 1"])}
\subpart $D = \Var{e}$
\begin{solution}
\begin{eqnarray*}
\Var{e.simplify().explain() | calculus(name = "D")}
\end{eqnarray*}
\end{solution}
\Block{set e = Expression.random("{a} / {b} * {c}", ["{b} > 1", "{a} > 0", "{c} > 1", "{c} != {b}"])}
\subpart $E = \Var{e}$
\begin{solution}
\begin{eqnarray*}
\Var{e.simplify().explain() | calculus(name = "E")}
\end{eqnarray*}
\end{solution}
\Block{set e = Expression.random("{a} / {b} * {c} / {d}", ["{b} > 1", "{a} > 0", "{c} > 0", "{d} > 1"])}
\subpart $F = \Var{e}$
\begin{solution}
\begin{eqnarray*}
\Var{e.simplify().explain() | calculus(name = "F")}
\end{eqnarray*}
\end{solution}
\end{subparts}
\end{multicols}
\end{parts}