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Mademoiselle04ninon
@Mademoiselle04ninon
May 2019
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Bonjour, j'ai quelques soucis avec mes calcules de maths... niveau 4eme. Quelqu'un pourrais m'aider à compléter les trous ?
a. 4 X (n+3) = 4 X ... + 4 X ... = ... + ...
b. 6 (3-x) = 6 X ... - 6 X ... = ... - ...
c. 2 (5y+7) = 2 X ... + ... X 7 = ... + ...
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nguyenso9
Verified answer
Bonjour,
a) 4 X (n + 3) = 4 X n + 4 X 3 = 4n + 12
b) 6 (3 - x) = 6 X 3 - 6 X x = 18 - 6x
c) 2 (5y + 7) = 2 X 5y + 2 X 7 = 10y + 14
N'hesite pas a poser des questions si tu ne comprends pas quelque chose
Bonne journee
2 votes
Thanks 1
mademoiselle04ninon
Meri bcp de t'as réponse
mademoiselle04ninon
Merci*
nguyenso9
De rien, t'as enfin compris j'espere ? :)
mademoiselle04ninon
Oui merci beaucoup
nguyenso9
Ok :)
Commentaires (2)
a. 4 X (n+3) = 4 X n... + 4 X 3... = ..4n. + 12...
b. 6 (3-x) = 6 X .3.. - 6 X x... = 18... - 6x...
c. 2 (5y+7) = 2 X .5y. + .2.. X 7 = .10y.. + .14..
2 votes
Thanks 1
mademoiselle04ninon
Merci bcp
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Lista de comentários
Verified answer
Bonjour,a) 4 X (n + 3) = 4 X n + 4 X 3 = 4n + 12
b) 6 (3 - x) = 6 X 3 - 6 X x = 18 - 6x
c) 2 (5y + 7) = 2 X 5y + 2 X 7 = 10y + 14
N'hesite pas a poser des questions si tu ne comprends pas quelque chose
Bonne journee
b. 6 (3-x) = 6 X .3.. - 6 X x... = 18... - 6x...
c. 2 (5y+7) = 2 X .5y. + .2.. X 7 = .10y.. + .14..