äºæ¢a,bçå¼
ä½è¿ç®æ¯Cè¯è¨çä¸å¤§ç¹è²ï¼å©ç¨å¼æè¿ç®å¯ä»¥å®ç°äº¤æ¢ä¸¤ä¸ªæ°ï¼åçæ¯ä¸ä¸ªæ´æ°ä¸å¦å¤ä¸ä¸ªæ°è¿è¡ä¸¤æ¬¡å¼æè¿ç®ä»ç¶æ¯å
¶æ¬èº«ï¼åºæ¬åçç¨å¼å表达å¦ä¸ï¼
(1) A ^ A = 0;
(2) A = A ^B;
(3) B = A ^B;(ç¸å½äºB = A ^ B ^ B ,å³ B = A)
(4) A= A ^ B;(ç¸å½äºA = A ^B ^A ,å³A = B)
å©ç¨ä½è¿ç®ä¸ä»
æé«äºä»£ç çæ§è¡é度ï¼èä¸æ¤å¤è¿åå°äºå¯¹è¾
å©åéçéæ±ï¼å æ¤æé«äºç¨åºçæçã