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Sagot :

bonjour,

4200 -> 90mn

1 -> 90/420

1 397 800 -> ( 90 * 1 397 800)/  420

= 125 802 000/420=

299528, 57 mn

0,57 mn -> 0,57 * 60 = 34s

en h :

299528/60 =4992,13 h

0,13h  -> 0,13 * 60 => 8 mn

en jours:

4992/ 24 =208

=> 208 jours 8mn 34s

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