如题所述
åä¸æ£è´æ°å åä¹é¤æ··åè¿ç®å¦ä¸ï¼
æ£æ°æ¯æ°å¦æ¯è¯ï¼æ¯0大çæ°å«æ£æ°ï¼0æ¬èº«ä¸ç®æ£æ°ãæ£æ°ä¸è´æ°è¡¨ç¤ºæä¹ç¸åçéãæ£æ°åé¢å¸¸æä¸ä¸ªç¬¦å·â+âï¼é常å¯ä»¥çç¥ä¸åï¼è´æ°ç¨è´å·âï¼âåä¸ä¸ªæ£æ°æ è®°ï¼å¦−2ï¼ä»£è¡¨çå°±æ¯2çç¸åæ°ãå¨æ°è½´çº¿ä¸ï¼æ£æ°é½å¨0çå³ä¾§ï¼å¨ç®ç¹ä¸è§å®"æ£ç®èµ¤ï¼è´ç®é»"ï¼å°±æ¯ç¨çº¢è²ç®ç¹è¡¨ç¤ºæ£æ°ï¼é»è²ç表示è´æ°ã两个è´æ°æ¯è¾å¤§å°ï¼ç»å¯¹å¼å¤§çåèå°ã
计ç®æ³å
æ£æ°
1ãæ£æ°1+æ£æ°2=æ£æ°
2ãæ£æ°+è´æ°=符å·åç»å¯¹å¼è¾å¤§çå æ°ç符å·ï¼æ°å¼åâç¨è¾å¤§çç»å¯¹å¼åå»è¾å°çç»å¯¹å¼ âçæå¾å¼
3ãæ£æ°1ï¼æ£æ°2ï¼å¦æå®è½´ä¸æ£æ°1å¨æ£æ°2å³ä¾§ï¼åç»æ大äº0ï¼ä¸ºæ£æ°ï¼å¦åå°äº0ï¼ä¸ºè´æ°ã
4ãè´æ°1ï¼æ£æ°2=ï¼ï¼æ£æ°+è´æ°ï¼=è´æ°å¼å·ä¸¤æ°ç¸åï¼çäºå ¶ç»å¯¹å¼ç¸å ã
5ãæ°1Ãæ£æ°2=æ£æ°
6ãæ£æ°1Ãè´æ°2=è´æ°
7ãæ£æ°1÷æ£æ°2=æ£æ°8ãæ£æ°1÷è´æ°2=è´æ°
è´æ°
1ãè´æ°1+è´æ°2=-ï¼è´æ°1+è´æ°2ï¼=è´æ°
2ãè´æ°+æ£æ°=符å·åç»å¯¹å¼è¾å¤§çå æ°ç符å·ï¼æ°å¼åâç¨è¾å¤§çç»å¯¹å¼åå»è¾å°çç»å¯¹å¼ âçæå¾å¼
3ãè´æ°1ï¼è´æ°2=è´æ°1+ï¼è´æ°2ï¼=è´æ°1å ä¸è´æ°2çç¸åæ°ï¼åæè´æ°å æ£æ°çæ¹æ³ç®
4ãè´æ°ï¼æ£æ°=ï¼ï¼æ£æ°+è´æ°ï¼=è´æ°å¼å·ä¸¤æ°ç¸åï¼çäºå ¶ç»å¯¹å¼ç¸å Ã
5ãè´æ°1Ãè´æ°2=ï¼è´æ°1Ãè´æ°2ï¼ =æ£æ°
6ãè´æ°Ãæ£æ°=ï¼ï¼æ£æ°Ãè´æ°ï¼=è´æ°Ã·æ£æ°
7ãè´æ°1÷è´æ°2=ï¼è´æ°1÷è´æ°2ï¼ =æ£æ°
8ãè´æ°Ã·æ£æ°=ï¼ï¼è´æ°Ã·æ£æ°ï¼ =è´æ°