juliette5 Posted February 5, 2021 Share Posted February 5, 2021 Bonjouuur, je comprend pas cette étape de la question 3b du 2ème exercice https://zupimages.net/viewer.php?id=21/05/la03.png Merci à celui qui veut bien m'aider :)) Quote Link to comment Share on other sites More sharing options...
Ancien du Bureau Solution Sans-Visage Posted February 6, 2021 Ancien du Bureau Solution Share Posted February 6, 2021 p' = pf' / p+f' => 1/p' = p+f'/pf' => 1/p' = 1/p + 1/f' => 1/p' - 1/p = 1/f' C'est bon pour toi ? Quote Link to comment Share on other sites More sharing options...
juliette5 Posted February 7, 2021 Author Share Posted February 7, 2021 Oui ! merciii Quote Link to comment Share on other sites More sharing options...
Ancien du Bureau Sans-Visage Posted February 7, 2021 Ancien du Bureau Share Posted February 7, 2021 Avec plaisir juliette5 1 Quote Link to comment Share on other sites More sharing options...
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