Les oscillations électriques libres amorties

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Tbarkala 3lik monsieur wlh nfhm 3ndk blgdee rbi yberklk nchlh

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❤ grand merci mr

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ما شاء الله عليك ابدعت

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Merci 👏❤️

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De rien ❤️

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merci mr

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merci mensieur

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Superbe 🤓👍👌

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Thanks

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Merci

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Bravo 🙏

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Merci !!

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De rien

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كل عام و انتم بخير

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👍👍👍

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Salut

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merci