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Sagot :

Bonjour,

1,26l/ 1mn

1m³ = 1 000L

1 000/ 1,26 =>793,65 mn

0,65mn = 0,65*60 =>39s

793/60 = 13, 22 h

0,22h = 0,22 *60 => 13mn

=> 13h 13mn 39s

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