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  1. Top | #37

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  3. Top | #38

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  5. Top | #39

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  7. Top | #40

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  9. Top | #41

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  11. Top | #42

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  13. Top | #43

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  15. Top | #44

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    ÈÓã Çááå ÇáÑÍãä ÇáÑÍíã . ÇáÓáÇã Úáíßã æÑÍãÉ Çááå æÈÑßÇÊå . ÈÚÏ ÇáÍá ÇáÌãíá æÇáÑÇÆÚ ááÇÓÊÇÐ ÇáßÝæÁ æÇáãÊãßä " ÇáÇÓÊÇÐ ÃÍãÏ ÇáÌÇÈÑí " ÇáãÍÊÑã åäÇß ãÏÇÎáÉ ÈÓíØÉ : Ýí ãËá åÐÇ ÇáäæÚ ãä ÇáãÚÇÏáÇÊ ÇáÊÝÇÖáíÉ , íåãá ÇáãÞÏÇÑ ÇáÐí áÇíÍÊæí Úáì (dp/dx) , Ãí íåãá ÇáãÞÏÇÑ ( 2p-x) æäßÊÝí ÈÊßÇãá ÈÇáãÞÏÇÑ (dp/dx=0) ÝÞØ , æÈãÏÇÎáÉ ËÇäíÉ áÇÓÇÊÐÉ ßæÑÏÓÊÇä : ÞÈá ÚÇã ÊÞÑíÈÇ ßÇä åäÇß äÞÇÔ Ýí åÐÇ ÇáãäÊÏì ÇáãÍÊÑã Íæá ÓÄÇá áÇÃÊÐßÑ Ýí Çí æÑÞÉ ÇãÊÍÇäíÉ ßÇä ãØÑæÍÇ Ýí ÇáÚÑÇÞ, áßä ÇáÇÓÊÝÓÇÑ ßÇä ÇáÊßÇãá ÇáÛíÑ ãÍÏæÏ ááÕÝÑ ãÇåæ¿ Ýí Íáß ÇáÌãíá áåÐå ÇáãÚÇÏáÉ ÇáÊÝÇÖáíÉ ÇáÌãíáÉ ßäÊ ÞÏ ÃÌÈÊ Úáì åÐÇ ÇáÓÄÇá . áß ãäí ÝÇÆÞ ÇáÇÍÊÑÇã æÇáÊÞÏíÑ æÔßÑÇ . ÊáãíÐßã ãÍãÏ ÚÞíá .

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  17. Top | #45

    ÊÇÑíÎ ÇáÊÓÌíá
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    ÑÏ: ãÚÇÏáÉ ÊÝÇÖáíÉ Differential equation ,more questions


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  19. Top | #46

    ÊÇÑíÎ ÇáÊÓÌíá
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    ÑÏ: ãÚÇÏáÉ ÊÝÇÖáíÉ Differential equation ,more questions


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ÕÝÍÉ 4 ãä 4 ÇáÃæáìÇáÃæáì 1234

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