½Ò¤¤´úÅç 2016 03 05
¤@¡B¨D¸Ñ dy/dx = - y2 ex ¡C
¤G¡BÀËÅç¤èµ{¦¡ xdy/dx + (x+y) = 0 ¤§¥¿¦X©Ê¨Ã¨D¸Ñ¤§¡C
¤T¡B½T»{ xdy / dx + 2y + x2 = 0 ¤£º¡¨¬¥¿¦X¤èµ{¦¡ , ¨Ã§ä¤@Ó¿n¤À¦]¤l¨Ï¤§¥¿¦X¨Ã¨D¸Ñ¡C