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Dimboy
@Dimboy
January 2021
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Bonjour,
j'ai absolument rien compris.. Est ce que quelqu'un pourrait m'aider svp.
Merci d'avance ♥️
(4em)
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marco31
Bonjour
Surface totale de la maison
(5×9)-(6×2)=45-12=33 m²
Enlevons les ouvertures
33-(2×1,10×2+1,05×1,50)=33-(4,4+1,575)=27,025 m²
Surface d une lame
3,60×0,19=0,684 m²
Nombre de l'âme totale
27,025÷0684=39,51 donc 40 lames
Prévoir 5% pour les chutes
40×1,05=42 lames
Prix total
42×24,86=1044,12 euros
1 votes
Thanks 1
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Bonjour je ne comprends pas ce qu'il faut faire.. merci d'avance.(exercice de 4em rotation translation)
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Surface totale de la maison
(5×9)-(6×2)=45-12=33 m²
Enlevons les ouvertures
33-(2×1,10×2+1,05×1,50)=33-(4,4+1,575)=27,025 m²
Surface d une lame
3,60×0,19=0,684 m²
Nombre de l'âme totale
27,025÷0684=39,51 donc 40 lames
Prévoir 5% pour les chutes
40×1,05=42 lames
Prix total
42×24,86=1044,12 euros