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Mathematics, 18.02.2021 08:50 liluzisquirt7378

Multiplier, diviser des quotients
8
Multiplication
1
Uvité
Nombres positifs
Eliot a coloré ci-contre en vert une partie d'un carré de côté 1.
a. Quelle fraction du carré a-t-il colorée ?
b. Indiquer les dimensions du rectangle coloré à l'aide de fractions.
c. Utiliser la formule de l'aire d'un rectangle pour exprimer l'aire de la
partie colorée à l'aide d'un produit.
3
d. Recopier et compléter:
3
5 4
• « Pour multiplier deux fractions, on multiplie ... et on multiplie >>
2 Nombres relatifs
Dans chaque cas, utiliser la règle ci-dessus et la règle des signes pour calculer.
2
3
3
-2
5
d. -9x
x 3 / 3​

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Multiplier, diviser des quotients
8
Multiplication
1
Uvité
Nombres positif...
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