Bonjour pouvez vous m'aider à l exercice 4 regardé la photo ci dessous merci.... Pergunta de ideia deJojoso78

Jojoso78 @Jojoso78

January 2021 1 63 Report

Bonjour pouvez vous m'aider à l exercice 4 regardé la photo ci dessous merci

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Riemann 1) Hangar +pelouse:
$\dfrac{1}{7}+\dfrac{1}{3}=\dfrac{10}{21}$

Reste:
$\dfrac{21}{21}-\dfrac{10}{21}=\dfrac{11}{21}$

Potager=3/4 du reste:

$\dfrac{3}{4} \times \dfrac{11}{28}=\dfrac{11}{28}$

Le potager représente 11/28 du jardin.

Espace vide:
TOUT-(Hargar+pelouse+potager)
$1-(\dfrac{1}{7}+\dfrac{1}{3}+\dfrac{11}{28})=1-\dfrac{73}{84}=\dfrac{11}{84}$

Les fleurs représentent 11/84 du jardin.

2) Tomate : 2/5 du potager.
$\dfrac{2}{5} \times \dfrac{11}{28}=\dfrac{11}{70}$

Les tomates représentent 11/70 du jardin soit 22 m^2.

$22 \times 70 \div 11=130 m^2$

Le jardin fait 130 m^2

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