1ãç¹å»âæå ¥ââå¾è¡¨âï¼éæ©âæ线å¾âï¼ç¹âä¸ä¸æ¥âã
2ãå¨âæ°æ®åºåâçªå£ä¸ï¼å¨âæ°æ®åºåâçææ¬æ¡ä¸è¾å ¥=
3ãåæ¢å°âç³»åâçªå£ï¼å¨âåç±»ï¼x)è½´æ å¿ï¼Tï¼âçææ¬æ¡ä¸è¾å ¥=
4ãç¹å»âå®æâå³å¯ã
wpsæºå¥½ç¨çï¼ä½ å¯ä»¥è¯è¯çå¦ã