Répondre :
12+4=16sx6(par jour)=96s/jx365j/an=35040s/an
le bruleyr consomme 720l/3600s=35040x220/3600=2141,33l/an
0,40cx2141,33=856,53c/an soit85,65f/an
12+4=16sx6(par jour)=96s/jx365j/an=35040s/an
le bruleyr consomme 720l/3600s=35040x220/3600=2141,33l/an
0,40cx2141,33=856,53c/an soit85,65f/an