1 supra 11 + 5 supra 19

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30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
1 supra 11 + 5 supra 19
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Bonjour,
J'ai ces exercices pour demain, merci de bien vouloir m'aider en m'expliquant clairement.
EXERCICE 1
Des experts estiment qu'il faut prévoir une puissance électrique de 925 watts pour chauffer 25m2. Pour une pièce de 15m2 et de hauteur de plafond de 2,60 m, quel radiateur doit-on prévoir parmi la gamme proposée ci-dessous ?
Radiateur 1 : 450W ; Radiateur 2 : 750W ; Radiateur 3 : 1000W ; Radiateur 4 : 1200W et Radiateur 5 : 1500 W.

EXERCICE 2
La

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Pouvez vous m'expliquer le contexte historique en 1950-1952 en généralité ?
C'est pour mon Histoire Des Arts :) Merci d'avance

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bonjour enfaite jai un petit probleme car je voudrais savoir c'est koi les px dx psk je suis perdu la merci

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se considera triunghiul ABC cu m(A)=90,m(C)=30 si AB=4 cm.Sa se afle aria triunghiului

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