Exercice corrigé /ondes mécaniques progressives/examen national 2010/pc/ rattrapage/top physique

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8:37 fa9ira la3ina lilraya hhhh nadi astad ta ana fax xftha awal mara 9alt ax hadxi

[@zaidrarhib]

ostad matw9fx kml m3ana rani yala lyom xft l9anat dyalk rak nadi kml db had liyam kainine idrabat mhtajine li y5dm m3ana

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psps

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Nadi❤

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جزاك الله خيرا❤

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Merci prof 😊

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3lx drna landa 0 ohoma 3atuina landa

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Nfs so2al

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@@JOZVUDBZ.. 3rfti elach?

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جزاك الله خير الجزاء ❤