L'exercice suivant est automatiquement et aléatoirement généré par ataraXy.
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La correction se trouve en bas de page.
Exercice
Calculer \[-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\left(-3+\dfrac{103}{7}+6\right)+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{2}{5}}{-6}}{-3+1-3}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\]
Cliquer ici pour afficher la solution
Exercice
On a \( X=-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\left(-3+\dfrac{103}{7}+6\right)+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{2}{5}}{-6}}{-3+1-3}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}=\dfrac{941627011}{9267300}\) . Voici le détail :
\begin{eqnarray*}
X &=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\left(\dfrac{82}{7}+6\right)+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{2}{5}}{-6}}{-3+1-3}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{\dfrac{2}{5}}{-6}}{-3+1-3}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-3+1-3}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-2-3}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{80}{3}+\dfrac{33}{7}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\left(-\dfrac{461}{21}+2\right)+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{419}{21}+\dfrac{103}{7}+8-\left(-\dfrac{47}{4}-4\right)\right)-1}\\&=&-\dfrac{80}{3}+\left(-1\right)\times\left(-6\right)\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{419}{21}+\dfrac{103}{7}+8+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+6\times\dfrac{124}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{419}{21}+\dfrac{103}{7}+8+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+\dfrac{744}{7}+\dfrac{47}{4}+\dfrac{80}{3}-\left(\dfrac{33}{7}-8\right)+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{419}{21}+\dfrac{103}{7}+8+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+\dfrac{744}{7}+\dfrac{47}{4}+\dfrac{80}{3}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{-\dfrac{1}{15}}{-5}\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{419}{21}+\dfrac{103}{7}+8+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+\dfrac{744}{7}+\dfrac{47}{4}+\dfrac{80}{3}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{419}{21}+\dfrac{103}{7}+8+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+\dfrac{744}{7}+\dfrac{47}{4}+\dfrac{80}{3}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(-\dfrac{110}{21}+8+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+\dfrac{744}{7}+\dfrac{47}{4}+\dfrac{80}{3}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\left(\dfrac{58}{21}+\dfrac{63}{4}\right)-1}\\&=&-\dfrac{80}{3}+\dfrac{744}{7}+\dfrac{47}{4}+\dfrac{80}{3}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{3305}{28}+\dfrac{80}{3}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12155}{84}+\dfrac{23}{7}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}+1-4-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(\dfrac{1}{75}\right)\times\left(-\dfrac{80}{3}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\left(-\dfrac{16}{45}\right)\times\left(-1\right)}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{\dfrac{4}{\dfrac{2}{5}}}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{2-4+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{-2+8}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{6}}{\dfrac{1555}{84}-1}\\&=&-\dfrac{80}{3}+\dfrac{12431}{84}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{6}}{\dfrac{1471}{84}}\\&=&\dfrac{3397}{28}-3-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{6}}{\dfrac{1471}{84}}\\&=&\dfrac{3313}{28}-3-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{6}}{\dfrac{1471}{84}}\\&=&\dfrac{3229}{28}-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{\dfrac{16}{45}}{10}}{6}}{\dfrac{1471}{84}}\\&=&\dfrac{3229}{28}-\dfrac{103}{7}+1+\dfrac{\dfrac{\dfrac{8}{225}}{6}}{\dfrac{1471}{84}}\\&=&\dfrac{3229}{28}-\dfrac{103}{7}+1+\dfrac{\dfrac{4}{675}}{\dfrac{1471}{84}}\\&=&\dfrac{3229}{28}-\dfrac{103}{7}+1+\dfrac{112}{330975}\\&=&\dfrac{2817}{28}+1+\dfrac{112}{330975}\\&=&\dfrac{2845}{28}+\dfrac{112}{330975}\\&=&\dfrac{941627011}{9267300}\\
\end{eqnarray*}