Bopytex/documentation/source/snippets.rst
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Snippets pour Opytex
####################
On regroupe ici quelques snippets pour centraliser ce qui a déjà été produit avec Opytex.
Fractions
=========
Simplifications de fractions
----------------------------
- Trouver le numérateur quand le dénominateur augmente
.. code-block:: latex
\Block{set a,b,ans,c = random_str("{a},{b},{a*c},{b*c}", conditions = ["{a} != {b}"], val_min = 2, val_max = 10).split(',')}%
\begin{align*}
\dfrac{\Var{a}}{\Var{b}} = \dfrac{\ldots}{\Var{c}}
\end{align*}
Solution
\begin{align*}
\dfrac{\Var{a}}{\Var{b}} = \dfrac{\Var{ans}}{\Var{c}}
\end{align*}
Ce qui produira
.. code-block:: latex
\begin{align*}
\dfrac{2}{6} = \dfrac{\ldots}{48}
\end{align*}
Solution
\begin{align*}
\dfrac{2}{6} = \dfrac{16}{48}
\end{align*}
Et ce qui donne
.. math::
\begin{aligned}
\dfrac{2}{6} = \dfrac{\ldots}{48}
\end{aligned}
Solution
\begin{aligned}
\dfrac{2}{6} = \dfrac{16}{48}
\end{aligned}
- Trouver le numérateur quand le dénominateur diminue
.. code-block:: latex
\Block{set a,b,ans,c = random_str("{a*c},{b*c},{a},{b}", conditions = ["{a} != {b}"], val_min = 2, val_max = 10).split(',')}%
\begin{align*}
\dfrac{\Var{a}}{\Var{b}} = \dfrac{\cdots}{\Var{c}}
\end{align*}
Solution
\begin{align*}
\dfrac{\Var{a}}{\Var{b}} = \dfrac{\Var{ans}}{\Var{c}}
\end{align*}
Explications
\begin{align*}
\Var{f.simplify().explain()|join('=')}
\end{align*}
Ce qui produira
.. code-block:: latex
\begin{align*}
\dfrac{12}{9} = \dfrac{\cdots}{3}
\end{align*}
Solution
\begin{align*}
\dfrac{12}{9} = \dfrac{4}{3}
\end{align*}
Explications
\begin{align*}
\frac{ 12 }{ 9 }=\frac{ 4 \times 3 }{ 3 \times 3 }=\frac{ 4 }{ 3 }
\end{align*}
Et ce qui donne
.. math::
\begin{align*}
\dfrac{12}{9} = \dfrac{\cdots}{3}
\end{align*}
Solution
\begin{align*}
\dfrac{12}{9} = \dfrac{4}{3}
\end{align*}
Explications
\begin{align*}
\frac{ 12 }{ 9 }=\frac{ 4 \times 3 }{ 3 \times 3 }=\frac{ 4 }{ 3 }
\end{align*}
Ajouts de fractions
-------------------
- Fraction avec le même dénominateur
.. code-block:: latex
\Block{set e = Expression.random("{a} / {b} + {c} / {b}", ["{b} > 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}
- Fraction avec un denominateur multiple de lautre
.. code-block:: latex
\Block{set e = Expression.random("{a} / {b} + {c} / {b*d}", ["{b} > 1","{d} > 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}
- Fraction avec des dénominateurs premiers entre eux
.. code-block:: latex
\Block{set e = Expression.random("{a} / {b} + {c} / {d}", ["{b} > 1","{d} > 1", "gcd({b},{d}) == 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}
- Une fraction et un entier
.. code-block:: latex
\Block{set e = Expression.random("{a} / {b} + {c}", ["{b} > 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}
- Un entier et une fraction
.. code-block:: latex
\Block{set e = Expression.random("{c} + {a} / {b}", ["{b} > 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}
Multiplications de fractions
----------------------------
- Une fraction et un entier
.. code-block:: latex
\Block{set e = Expression.random("{c} * {a} / {b}", ["{b} > 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}
- Fraction avec des dénominateurs quelconques
.. code-block:: latex
\Block{set e = Expression.random("{a} / {b} * {c} / {d}", ["{b} > 1","{d} > 1"], val_min = 1)}
\begin{align*}
A = \Var{e}
\end{align*}
Solution
\begin{align*}
\Var{e.simplify().explain() | join('=')}
\end{align*}