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سلام این فایل رو گوش کنید http://forum.alaatv.com/topic/1718/مشاوره-چی-کار-کنیم-که-هر-درس-رو-تو-کنکور-حدود-40-الی-50-کاسب-باشیم-قسمت-2-زیست-شناسی