ÌâÄ¿ÄÚÈÝ
ÓÐÏÂÁÐÐðÊö¢Ù¼¯ºÏA=£¨m+2£¬2m-1£©⊆B=£¨4£¬5£©£¬Ôòm¡Ê[2£¬3]
¢ÚÁ½ÏòÁ¿Æ½ÐУ¬ÄÇôÁ½ÏòÁ¿µÄ·½ÏòÒ»¶¨Ïàͬ»òÕßÏà·´
¢ÛÈô²»µÈʽ¶ÔÈÎÒâÕýÕûÊýnºã³ÉÁ¢£¬ÔòʵÊýaµÄÈ¡Öµ·¶Î§ÊÇ
¢Ü¶ÔÓÚÈÎÒâÁ½¸öÕýÕûÊým£¬n£¬¶¨ÒåijÖÖÔËË㨒ÈçÏ£º
µ±m£¬nÆæżÐÔÏàͬʱ£¬m¨’n=m+n£»µ±m£¬nÆæżÐÔ²»Í¬Ê±£¬m¨’n=mn£¬Ôڴ˶¨ÒåÏ£¬¼¯ºÏM={£¨a£¬b£©|a¨’b=12£¬a¡ÊN+£¬b¡ÊN+}ÖÐÔªËصĸöÊýÊÇ15¸ö£®
ÉÏÊö˵·¨ÕýÈ·µÄÊÇ £®
¡¾´ð°¸¡¿·ÖÎö£º¢ÙA=∅£¬m+2¡Ý2m-1£¬½âµÃm¡Ü3£¬Òò´Ë²»ÕýÈ·£»
¢ÚÁãÏòÁ¿ÓëÈκÎÏòÁ¿Æ½ÐУ¬¹Ê²»ÕýÈ·£»
¢Ûµ±nΪżÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£»
µ±nΪÆæÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£¬¼´¿ÉµÃµ½ÊµÊýaµÄÈ¡Öµ·¶Î§£»
¢Üµ±aÓëbµÄÆæżÐÔÏàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬11£©£¬£¨2£¬10£©£¬¡£¨11£¬1£©¹²11¸ö£»
£®µ±aÓëbµÄÆæżÐÔ²»Ïàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬12£©£¬£¨12£¬1£©£¬£¨3£¬4£©£¬£¨4£¬3£©¼´¿ÉÅжϳö£®
½â´ð£º½â£º¢Ù¡ß¼¯ºÏA=£¨m+2£¬2m-1£©⊆B=£¨4£¬5£©£¬¡à£¬½âµÃm¡Ê[2£¬3]£»»òm+2¡Ý2m-1£¬½âµÃm¡Ü3£¬×ÛÉÏ¿ÉÖª£ºm¡Ü3£¬¹Ê²»ÕýÈ·£»
¢ÚÒòΪÁãÏòÁ¿ÓëÈκÎÏòÁ¿Æ½ÐУ¬¹Ê²»ÕýÈ·£»
¢Ûµ±nΪżÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£¬¡àa£¬¼´a£¼£»
µ±nΪÆæÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£¬¼´£¬¡àa¡Ý-2£®
×ÛÉÏ¿ÉÖª£ºÊµÊýaµÄÈ¡Öµ·¶Î§ÊÇ£¬Òò´ËÕýÈ·£»
¢Üµ±aÓëbµÄÆæżÐÔÏàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬11£©£¬£¨2£¬10£©£¬£¨3£¬9£©£¬£¨4£¬8£©£¬£¨5£¬7£©£¬£¨6£¬6£©£¬£¨7£¬5£©£¬£¨8£¬4£©£¬£¨9£¬3£©£¬£¨10£¬2£©£¬£¨11£¬1£©¹²11¸ö£»
£®µ±aÓëbµÄÆæżÐÔ²»Ïàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬12£©£¬£¨12£¬1£©£¬£¨3£¬4£©£¬£¨4£¬3£©£®
×ÛÉÏ¿ÉÖª£º¼¯ºÏM={£¨a£¬b£©|a¨’b=12£¬a¡ÊN+£¬b¡ÊN+}ÖÐÔªËصĸöÊýÊÇ15¸ö£¬Òò´ËÕýÈ·£®
¹ÊÕýÈ·µÄ´ð°¸Îª¢Û¢Ü£®
¹Ê´ð°¸Îª¢Û¢Ü£®
µãÆÀ£ºÊìÁ·ÕÆÎÕ¼¯ºÏ¼äµÄ¹Øϵ¡¢·ÖÀàÌÖÂÛ˼Ïë·½·¨¡¢ÏòÁ¿¹²Ïß¡¢Ð¶¨ÒåµÄÒâÒåµÈÊǽâÌâµÄ¹Ø¼ü£®
¢ÚÁãÏòÁ¿ÓëÈκÎÏòÁ¿Æ½ÐУ¬¹Ê²»ÕýÈ·£»
¢Ûµ±nΪżÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£»
µ±nΪÆæÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£¬¼´¿ÉµÃµ½ÊµÊýaµÄÈ¡Öµ·¶Î§£»
¢Üµ±aÓëbµÄÆæżÐÔÏàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬11£©£¬£¨2£¬10£©£¬¡£¨11£¬1£©¹²11¸ö£»
£®µ±aÓëbµÄÆæżÐÔ²»Ïàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬12£©£¬£¨12£¬1£©£¬£¨3£¬4£©£¬£¨4£¬3£©¼´¿ÉÅжϳö£®
½â´ð£º½â£º¢Ù¡ß¼¯ºÏA=£¨m+2£¬2m-1£©⊆B=£¨4£¬5£©£¬¡à£¬½âµÃm¡Ê[2£¬3]£»»òm+2¡Ý2m-1£¬½âµÃm¡Ü3£¬×ÛÉÏ¿ÉÖª£ºm¡Ü3£¬¹Ê²»ÕýÈ·£»
¢ÚÒòΪÁãÏòÁ¿ÓëÈκÎÏòÁ¿Æ½ÐУ¬¹Ê²»ÕýÈ·£»
¢Ûµ±nΪżÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£¬¡àa£¬¼´a£¼£»
µ±nΪÆæÊýʱ£¬Ô²»µÈʽ¿É»¯Îª£¬¼´£¬¡àa¡Ý-2£®
×ÛÉÏ¿ÉÖª£ºÊµÊýaµÄÈ¡Öµ·¶Î§ÊÇ£¬Òò´ËÕýÈ·£»
¢Üµ±aÓëbµÄÆæżÐÔÏàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬11£©£¬£¨2£¬10£©£¬£¨3£¬9£©£¬£¨4£¬8£©£¬£¨5£¬7£©£¬£¨6£¬6£©£¬£¨7£¬5£©£¬£¨8£¬4£©£¬£¨9£¬3£©£¬£¨10£¬2£©£¬£¨11£¬1£©¹²11¸ö£»
£®µ±aÓëbµÄÆæżÐÔ²»Ïàͬʱ£¬£¨a£¬b£©¿ÉÈ¡£¨1£¬12£©£¬£¨12£¬1£©£¬£¨3£¬4£©£¬£¨4£¬3£©£®
×ÛÉÏ¿ÉÖª£º¼¯ºÏM={£¨a£¬b£©|a¨’b=12£¬a¡ÊN+£¬b¡ÊN+}ÖÐÔªËصĸöÊýÊÇ15¸ö£¬Òò´ËÕýÈ·£®
¹ÊÕýÈ·µÄ´ð°¸Îª¢Û¢Ü£®
¹Ê´ð°¸Îª¢Û¢Ü£®
µãÆÀ£ºÊìÁ·ÕÆÎÕ¼¯ºÏ¼äµÄ¹Øϵ¡¢·ÖÀàÌÖÂÛ˼Ïë·½·¨¡¢ÏòÁ¿¹²Ïß¡¢Ð¶¨ÒåµÄÒâÒåµÈÊǽâÌâµÄ¹Ø¼ü£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿