حلول تمارين كتاب الديناميكا ( باب الشغل والقدرة والطاقة )

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شكرااااا جزيلا

جميل ياستاذ جمال

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مجهـــــــــــــــــــــــــــــــود رائــــــــــــــــــــــــــــــــع
بارك اللــــــــــه لك

شششششششكككككككررررااااااا