182 lines
4.5 KiB
TeX
182 lines
4.5 KiB
TeX
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\documentclass[a4paper,12pt, table]{/media/documents/Cours/Prof/Enseignements/2015-2016/tools/style/classDS}
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\usepackage{/media/documents/Cours/Prof/Enseignements/2015-2016/2015_2016}
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%\geometry{left=10mm,right=10mm, top=10mm, bottom=10mm}
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% Title Page
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\titre{1}
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% \seconde \premiereS \PSTMG \TSTMG
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\classe{Cinquième}
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\date{1 février 2016}
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%\duree{1 heure}
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\sujet{30}
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% DS DSCorr DM DMCorr Corr
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\typedoc{DM}
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\geometry{left=10mm,right=10mm, bottom= 10mm, top=10mm}
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%\printanswers
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\begin{document}
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\maketitle
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\ifprintanswers
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\begin{center}
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\Large Solution
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\end{center}
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\normalsize
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\else
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\textbf{Nom - Prénom}
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\fi
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\begin{questions}
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\question Completer ces opérations à trous pour qu'il y est égalité.
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\begin{multicols}{2}
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\begin{parts}
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% Facile
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\part $83 + 148 = \quad \cdots \quad + 128$
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\begin{solution}
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$83 + 148 = 103 + 128 = 231$
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\end{solution}
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% Multiplications
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\part $9 \times 91 = \quad \cdots \quad \times 63$
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\begin{solution}
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$9 \times 91 = 13 \times 63 = 819$
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\end{solution}
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% Trou négatif
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\part $59 + 46 = \quad \cdots \quad + 176$
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\begin{solution}
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$59 + 46 = -71 + 176 = 105$
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\end{solution}
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% Multiplications
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\part $19 \times 15 = \quad \cdots \quad + 4$
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\begin{solution}
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$19 \times 15 = 281 + 4 = 285$
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\end{solution}
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\end{parts}
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\end{multicols}
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\question Répondre aux questions en indiquant les calculs effectués.
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\begin{parts}
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\part Quel nombre multiplié par 5 donne 13?
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\begin{solution}
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Quand on multiple 5 par $\frac{13}{5} = 2.6$ on obtient $13$.
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\[ 5 \times 2.6 = 13 \]
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\end{solution}
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\ifprintanswers
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\else
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\begin{minipage}[t]{0.5\textwidth}
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Réponse: \dotfill
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\\[0.2cm]
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.\dotfill
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\\
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\end{minipage}
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\vline
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\begin{minipage}[t]{1.3\textwidth}
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Calculs
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\end{minipage}
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\fi
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\part Par combien faut-il multiplier $5$ pour obtenir $17$?
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\begin{solution}
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Quand on multiple 5 par $\frac{17}{5} = 3.4$ on obtient $17$.
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\[ 5 \times 3.4 = 17 \]
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\end{solution}
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\ifprintanswers
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\else
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\begin{minipage}[t]{0.5\textwidth}
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Réponse: \dotfill
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\\[0.2cm]
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.\dotfill
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\\
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\end{minipage}
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\vline
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\begin{minipage}[t]{1.3\textwidth}
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Calculs
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\end{minipage}
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\fi
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\part Par combien faut-il multiplier $23$ pour obtenir $9$?
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\begin{solution}
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Quand on multiple 23 par $\frac{9}{23}$ on obtient $9$.
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Multiplier par $2.5555555555555554$ ne convient pas car c'est une valeur approchée. Si on le multiplie par $23$, on n'obtiendra pas exactement $9$.
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\end{solution}
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\ifprintanswers
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\else
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\begin{minipage}[t]{0.5\textwidth}
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Réponse: \dotfill
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\\[0.2cm]
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.\dotfill
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\\
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\end{minipage}
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\vline
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\begin{minipage}[t]{1.3\textwidth}
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Calculs
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\end{minipage}
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\fi
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\end{parts}
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\question Faire les calculs suivants en détaillant les étapes.
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\begin{parts}
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\part $A = 7 + 9 \times 3 = \dotfill$ \\
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\begin{solution}
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$A = 7 + 9 \times 3 = 7 + 27 = 34$
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\end{solution}
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\part $B = 2 \times 3 + 7 = \dotfill$ \\
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\begin{solution}
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$B = 2 \times 3 + 7 = 6 + 7 = 13$
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\end{solution}
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\part $C = ( 8 + 9 ) \times 7 = \dotfill$ \\
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\begin{solution}
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$C = ( 8 + 9 ) \times 7 = 17 \times 7 = 119$
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\end{solution}
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\part $D = ( 4 + 10 ) \times 4 \times 4 + 5 = \dotfill$ \\
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\begin{solution}
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$D = ( 4 + 10 ) \times 4 \times 4 + 5 = 14 \times 4 \times 4 + 5 = 56 \times 4 + 5 = 224 + 5 = 229$
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\end{solution}
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\end{parts}
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\question Tracer les symétriques (en codant les traits de constructions)
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\hspace{-1cm}
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\includegraphics[scale=1.0]{./fig/sym}
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\end{questions}
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\end{document}
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%%% Local Variables:
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%%% mode: latex
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%%% TeX-master: "master"
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%%% End:
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