Réponse:
(27 x 5 + 44 x 5 + 48 x 25 + 39 x 35 + 42 x 45 + 36 x 55 + 33 x 65 + 24 x 75 + 7 x 85) / 300
= 37.76
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Réponse:
(27 x 5 + 44 x 5 + 48 x 25 + 39 x 35 + 42 x 45 + 36 x 55 + 33 x 65 + 24 x 75 + 7 x 85) / 300
= 37.76