معادلات دیفرانسیل

Arze salamo khaste nabashid khedmate shoma

kheyli kheyli MER30
mamnun az in ke inghadr be mokhatabatun tavajoh mikonin
man ta hala 2 dafe darkhast kardam har dafe ham javab gereftam
bazam azatun tashakor mikonam

age momkene un chandta ketabe Dgeee ham ke tu komente gjabli goftamo bezarin chon kheyli beheshun niyaz daram nemidunam chera upload nakardin,filesh dge dar dastres nabude ya har dalile dgeee vali age upesh konin kheyli kheyli mamnun misham

kheyli kare tupi mikonin chon ye melato az nazare ketabo ketabkhani support mikonin

edame bedin

3pas