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BasmaTheMermaid
@BasmaTheMermaid
May 2019
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S’il vous plaît aidez moi à résoudre ce problème facile de maths. Merci d’avance!
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Verified answer
Bonour,
surface à peindre = 2×4×2,4+2×3,1×2,4-0,93×2,2-1,15×1 = 31,07 m²
31,07 ÷ 11 = 2,824545454545.....
Il faudra 3 pots de peinture
1 votes
Thanks 2
BasmaTheMermaid
Merci beaucoup!
marco31
Bonjour
Surface à peindre
2×(3,1×2,4)=14,88 m²
2×(4×2,4)=19,2 m²
Surface à peindre moins les ouvertures
(14,88+19,2)-(0,93×2,2+1,15×1)=34,08-3,196=30,88 m²
Nombre de pots
30,88/11=2,81 ⇒3 pots
1 votes
Thanks 2
BasmaTheMermaid
Merci!
marco31
De rien
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Verified answer
Bonour,surface à peindre = 2×4×2,4+2×3,1×2,4-0,93×2,2-1,15×1 = 31,07 m²
31,07 ÷ 11 = 2,824545454545.....
Il faudra 3 pots de peinture
Surface à peindre
2×(3,1×2,4)=14,88 m²
2×(4×2,4)=19,2 m²
Surface à peindre moins les ouvertures
(14,88+19,2)-(0,93×2,2+1,15×1)=34,08-3,196=30,88 m²
Nombre de pots
30,88/11=2,81 ⇒3 pots