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Sagot :

Bonsoir,

1- 1/20 -1/3 -1/4 -1/5

= 60/60 - 3/60 - 20/60 - 15/60 - 12/60

= 10/60 = 1/6

EPHTAMINA890

1/20+1/3+1/4+1/5

=(3+20+15+12)/60

=50/60

=(50÷10)/(60÷10)

=5/6

La proportion de GES provenant des énergies renouvelables et des déchets :

6/6-5/6=1/6

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