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ines6
@ines6
January 2021
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de l'aide svp pr le 54 !
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maudmarine
Verified answer
Bonjour,
1)
P = a + (a + 2) + (a - 1) + 6 + 4
2)
P = a + (a + 2) + (a - 1) + 6 + 4
P = a + a + 2 + a - 1 + 6 + 4
P = 3a + 11
3)
Pour a = 2
P = 3a + 11
P = 3 * 2 + 11
P = 6 + 11
P = 17
4)
Pour a = 7
P = 3a + 11
P = 3 * 7 + 11
P = 21 + 11
P = 32
1 votes
Thanks 0
ines6
merci mais tu peux m'expliquer stp ?
maudmarine
Un périmètre tu ajoutes tous les côtés et ensuit tu remplaces la lettre a par 2 et 7
ines6
merci mais pk 3a+11 ?
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ines6
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ines6
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ines6
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Bonjour c'est urgent SVP vous pouvez m'aider pour l'exercice 34 et 35 merci d'avance :)
Responda
ines6
February 2021 | 0 Respostas
Saluttout le monde :-) j'ai besoin d'aide c'est pour demain URGENT merci d'avance :-)
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ines6
January 2021 | 0 Respostas
vous pouvez m'aider svp c'est urgent !
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ines6
January 2021 | 0 Respostas
Bonjour, pouvez-vous m'aider svp ! J'y arrive vraiment pas ! Merci d'avance !
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ines6
January 2021 | 0 Respostas
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Verified answer
Bonjour,1)
P = a + (a + 2) + (a - 1) + 6 + 4
2)
P = a + (a + 2) + (a - 1) + 6 + 4
P = a + a + 2 + a - 1 + 6 + 4
P = 3a + 11
3) Pour a = 2
P = 3a + 11
P = 3 * 2 + 11
P = 6 + 11
P = 17
4) Pour a = 7
P = 3a + 11
P = 3 * 7 + 11
P = 21 + 11
P = 32