Lou rides the elevator in a Washington hotel, but he forgets to press the button of the floor he wants, It's the other customers using the elevator who choose the floors. He goes up 28 floors, down 5 floors, down again 23 floors, up 3 floors, and down 16 floors; finally, up 1 floor, How many floors did Lou go up or down? Merci
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Réponse :
salut :)
elle est à l'étage -12 normalement
en espérant t'avoir aidé
Explications :