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Sagot :

Bonjour,

On démarre à - 6°C

On descend 100 m → - 6 + 3 = - 3°

On descend 100 m → - 3 - 3 = 0°

On descend 100 m → 0 + 3 = 3°

etc...

180 = 3 x 60 donc 60 x 100 m = 6 000 m

6 000 + 200 m = 6 200 m de profondeur.

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