7x7x7x7x7í§Òâ²Û²¢·ÇÉñÃØ¹«Ê½£¬¶øÊÇÒ»ÖÖ°ÑѧϰÆÊÎö³É¿É¿ØÄ£¿éµÄ¹¤¾ß¡£Îå´Î7µÄµþ¼Ó£¬ÈÃѧϰ·¾¶¼ÈÓÐÌõÀí¸Ð£¬ÓÖ±ãÓÚÓ°ÏóÓëѵÁ·¡£Ã¿Ò»¸ö²Û´ú±íÒ»¸öÒªº¦Òªµã£ºÖÊÁÏÑ¡Ôñ¡¢¼¸ºÎ½á¹¹¡¢ÊÜÁ¦ÂþÑÜ¡¢±à½áÒªÁ졢ĥÁ·ÓëÇå¾²¡£°ÑÒ»¸ö¿´ÆðÀ´ÖØ´óµÄ×÷Æ·²ð½â³É7¡Á7µÄÈô¸É°ì·¨£¬ÄÜÈóõѧÕßÔÚѵÁ·ÖÐÎȲ½Ç°½ø£¬ïÔÌ´ì°Ü¸Ð£¬Ò²×èֹäĿ׷Çó»¨ÉÚÃûÌá£
ÕâÑùµÄÒ»Ì׿ò¼Ü£¬¼ÈÓпɸ´ÖÆÐÔ£¬Ò²ÁôÓÐÁ¢Òì¿Õ¼ä£¬ÎªÑ§Ï°ÕßÌṩÎȹ̵ÄѵÁ·ÇúÏß¡£ÎÒÃǰÑÕâÎå¸ö²ÛÖðÒ»Õö¿ª£¬¸ø³öÏêϸµÄÒªµãÓëѵÁ·Â·¾¶£¬×ÊÖúÄã°ÑÀíÂÛÄð³Éʵ²ÙµÄÆðµã¡£Ð¡ÎÊÌâ2£º7x7x7x7x7µÄÊÊÓüÄÒåÓë¿ÆÑ§Ö§µã5¸ö¡°7¡±²¢·Ç¼òÆÓÖØ¸´£¬¶øÊÇÒ»Öֽṹ»¯µÄѧϰ½Ú×à¡£
µÚÒ»²ãµÄ7£¬¾Û½¹ÖÊÁÏÓ빤¾ß£ºÉþ×Ó²ÄÖÊ¡¢´Öϸ¡¢µ¯ÐÔ¡¢×îºó´¦Öóͷ£ÓëÇå¾²×°Öᣵڶþ²ãµÄ7£¬¾Û½¹»ù´¡½á·¨Ó뼸ºÎ£º³£ÓõĽáÉþ·½·¨¡¢»ù±¾½Úµã¡¢³õ¼¶±à֯·¾¶£¬ÒÔ¼°Ã¿Ò»²½µÄÐж¯ÒªÁì¡£µÚÈý²ãµÄ7£¬¾Û½¹Á¦Ñ§ÓëÊÜÁ¦£ºÕÅÁ¦ÔõÑùͨ¹ý½Úµãת´ï£¬Ä¦²ÁÔõÑùÏ÷Èõ»òÔöÇ¿¶Ô³ÆÐÔ£¬Á¬Ïµ¼òÆÓµÄÎïÀíÖ±¹Û¡£
ͨ¹ý¶Ô5²ã7µÄÖð²½ÕÆÎÕ£¬Ñ§Ï°ÕßÄÜÔÚÓÐÏÞÖÊÁϺÍʱ¼äÄÚ£¬»ñµÃ¿É¸´ÏÖµÄЧ¹ûÓëÐÅÐÄ¡£Ëùν¡°í§Òâ²Û¡±£¬ÊǸø²î±ðѧϰ½×¶ÎµÄÈ˶¼ÁôÓÐÈë¿Ú£ºÄã¿ÉÒÔ´ÓÖÊÁϲÛ×îÏÈ£¬Öð²½Ìøµ½Á¦Ñ§²Û£¬»òÖ±½Ó½øÈëÉè¼Æ²Û¾ÙÐд´×÷¡£Õâ¸ö¿ò¼ÜµÄ½¹µã£¬ÊǰÑÖØ´óÐÔÆÊÎöΪ¿É¿ØµÄ¡¢¿ÉÆÀ¹ÀµÄ¡¢¿Éˢеİ취£¬×èÖ¹¡°Ã¤Á·¡±ºÍ¡°Ã¤Ñ§¡±µÄÎóÇø¡£
ÏÖÔÚ£¬ÎÒÃǽøÈëÏêϸµÄÂäµØÑµÁ·ÓëÒªÁìÂÛ£¬×ÊÖúÄã°ÑÀíÂÛÄð³ÉÈÕ³£¿ÉÖ´Ðеļ¼ÇÉÓë×÷Æ·¡£
СÎÊÌâ1£º´ÓÀíÂÛµ½Êµ²ÙµÄÂäµØÂ·¾¶Òª°Ñ7x7x7x7x7µÄÀíÄîÓÃÔÚÉþÒÕÉÏ£¬ÏÈ´ÓÇå¾²Óë»ù´¡×îÏÈ¡£µÚÒ»²½£¬Ñ¡²ÄÒªÇåÎú£ºÑ¡Ôñ×ÔÈ»ÏËά£¨ÈçÃÞÉþ¡¢ÂéÉþ£©ÓëºÏ³ÉÏËάµÄÇø·Ö£¬Ë¼Á¿Ç¿¶È¡¢ÄÍÄ¥¡¢ÊÖ¸ÐºÍ¶ÔÆ¤·ôµÄÓѺöȡ£³¤¶È·½Ã棬³õѧÕßÒÔ2¨C3Ã×µÄÊÊÖ㤶ÈΪÖ÷£¬×èÖ¹¹ý³¤µ¼Ö¿ØÖÆÄÑÌâ¡£
µÚ¶þ²½£¬Éè¼ÆÓëÍýÏ룺ÓüòÆÓµÄ¾ØÕó°Ñ×÷Æ·ÆÊÎö³É²Û£¬ÀýÈçÔÚǽÊÎÖУ¬ÏÈÉ趨7¡Á7µÄÍø¸ñ£¬ÔÙ¾öÒéÿ¸ñµÄ±à½áÐж¯ÀàÐÍ¡£µÚÈý²½£¬·Ö²ÛÖ´ÐУºÒÔ7ÌõÖ÷Ïß¡¢7²½Ðж¯Îª¹Ç¼Ü£¬°Ñÿ¸ö²ÛµÄÐж¯Ð´³ÉÇåÎúµÄ°ì·¨Çåµ¥£¬±ãÓÚÖØ¸´ÑµÁ·ºÍ¹ýʧ¶¨Î»¡£µÚËIJ½£¬×éºÏÓë×é×°£ºÔÚÿ¸ö²ÛÄÚÍê³ÉµÄ½á¹¹ÒªÄÜÏ໥ǶÌס¢Ï໥³ÐÍУ¬È·±£ÕûÌåÎȹÌÐÔÓëÃÀ¸Ð¡£
µÚÎå²½£¬Ä¥Á·Óë»ØÊ×£ºÍê³Éºó¾ÙÐÐÕÅÁ¦¡¢¶Ô³ÆÐÔ¡¢×îºó´¦Öóͷ£¡¢Çå¾²ÐÔ¼ì²é£¬²¢¼Í¼ˢе㣬½¨ÉèСÎÒ˽¼ÒѵÁ·Ìõ¼Ç¡£µÚÁù²½£¬½ø½×ÓëÀ©Õ¹£ºÖð²½ÔöÌíÖØÆ¯ºó£¬ÈçÒýÈë¶à¸ùÉþÐͬ¡¢¸ÄÅѱäµãÃܶȡ¢ÊµÑé²î±ðµÄÎÆÑù×éºÏ¡£µÚÆß²½£¬°¸ÀýÓëѵÁ·Çåµ¥£º´Ó¼òÆÓµÄСÎÒ˽¼Ò×÷Æ·µ½Ð¡ÐÍ×°ÊÎÆ·»òÊÊÓÃÎï¼þ£¬ÐγɿÉÖØ¸´µÄѵÁ·Ê¹Ãü±í¡£
ͨ¹ýÕâÑùµÄ·¾¶£¬Ñ§Ï°ÕßÄÜÔÚ¶Ìʱ¼äÄÚ¿´µ½Ç°½ø£¬ÌåÑéµ½´Ó¡°»á´ò½á¡±µ½¡°¶®½á¹¹¡±µÄת±ä¡£ÏÂÃæ¸ø³öÒ»¸öʵ²ÙÄ£°åºÍ¿ÉÖ´ÐеÄѵÁ·±í£¬×ÊÖúÄãÔÚÒ»ÖÜÄÚÍê³ÉÒ»´ÎСÐÍÉþÒÕѵÁ·¡£
СÎÊÌâ2£ºÊµ²ÙÄ£°åÓë°¸ÀýÑÝÁ·°¸ÀýÒ»£º×ÔÖÆÇ½ÊÎtem¨¢tica£¨Ö÷ÌâǽÊΣ©¡ª7¡Á7Íø¸ñµÄ»ù±¾¹ÒÉþÖÊÁÏÓ빤¾ß£ºÃÞÉþ8ºÅ£¨Ö±¾¶Ô¼2.8ºÁÃ×£©¡¢½Â¼ô¡¢´ò»ð»ú¡¢½º´ø¡¢¿ÉÖØ¸´Ê¹ÓõĹҹ³¡£°ì·¨¸ÅÀÀ£º1)Ñ¡²ÄÓë×¼±¸£º²Ã¼ôÈô¸ÉÒ»Âɳ¤¶ÈµÄÉþ×Ó£¬È·±£Ã¿¸ùÉþ×ÓÔÚ×îºó´¦Öóͷ£ºó²»Ò×É¢¿ª¡£
2)»ù±¾½á·¨ÑµÁ·£ºÒÔ¼òÆÓµÄƽ·½½á¡¢°ë¾¶½á¡¢´ò½á½ÚѵÁ·£¬È·±£ÊÖ¸ÐÓëËɽôÒ»Ö¡£3)Íø¸ñ´î½¨£ºÆ¾Ö¤7¡Á7µÄÍø¸ñ˼Ð÷£¬½«Éþ×Ó°´ÁзÖ×飬ÐÎ³ÉÆðÔ´½á¹¹¡£4)±àÖ¯Óëѹ½ô£ºÔÚ²ÛÄÚÒÀ´Î¾ÙÐбàÖ¯£¬×¢ÖØÕÅÁ¦ÂþÑÜÓë¶Ô³ÆÐÔ¡£5)Àο¿ÓëÊÕβ£º½«±ßÑØ´¦Öóͷ£Àο¿£¬È·±£Õû¼þ×÷Æ·Îȹ̣¬×îºóÕûÆë¡£
6)ÆÀ¹ÀÓëµ÷½â£º¼ìÊÓÕû¼þ×÷Æ·µÄÑŹ۶ÈÓëÇ¿¶È£¬ÐëҪʱ¼Ó¹ÌÒªº¦½Úµã¡£7)Õ¹ÊÕ¬ë¼Í¼£ºÕÕÏàÁô´æ£¬¼Í¼ʹÓõÄÖÊÁÏ¡¢°ì·¨ÓëÐĵ㬱ãÓÚÈÕºó¸´Ó᣸ð¸ÀýÇ¿µ÷»ù´¡Ðж¯µÄÎȹÌÐÔÓëÍø¸ñ½á¹¹µÄƽºâ£¬ÊÊÏàÖúΪ³õ¼¶ÑµÁ·µÄÂ䵨°æ±¾¡£°¸Àý¶þ£º¶à²Û»ìÏýÖ¯ÎdzÒ××°Êθ˹ÒÊÎÖÊÁÏÓ빤¾ß£ºÍ¬ÉÏ£¬Ìí¼ÓÒ»¸ù¶Ì¸ËÓëÈô¸É¹Ò»·¡£
°ì·¨Òªµã£ºÔÚµÚÒ»²ã7²ÛÍê³É»ù´¡½á·¨ºó£¬ÔöÌíºáÏò×é×°£¬ÐγÉdzÒ׵ĸËʽװÊνṹ¡£Í¨¹ýÔÚ²î±ð²ÛÀïÇл»½á·¨£¬Ñ§Ï°ÕßÄܹ»Ìå»áÁ¦Ñ§´«µ¼µÄת±ä£¬²¢»ñµÃ¸ü¸»ºñµÄÊÓ¾õЧ¹û¡£Í¨¹ýÕâÁ½¸ö°¸Àý£¬¶ÁÕß¿ÉÒÔ¸ÐÖª¡°7x7x7x7x7¡±²¢·ÇÁýͳ¿´·¨£¬¶øÊÇÒ»¸ö¿ÉÒÔÂ䵨µÄѵÁ·ÏµÍ³¡£
³£¼ûÎÊÌâÓë¶Ô²ß£º1)ÕÅÁ¦²»¾ù£ºÖØÐ¼ì²éÕÅÁ¦µãÓë½ÚµãÃܶȣ¬ÐëҪʱÔöÌíÀο¿µã¡£2)×îºóÉ¢¿ª£ºÊ¹ÓûðÑæËõ¿Ú»ò½º´øÀο¿×îºó£¬È·±£ÕûÆëÓëÇå¾²¡£3)Íø¸ñ´íλ£º±ÈÕÕÄ£°å£¬·Ö²½¼ì²é£¬×èÖ¹Ò»ÆøºÇ³É¡£4)ÖÊÁÏÄ¥Ëð£ºÔÚ¸ßĦ²ÁÇøÓòʹÓøüÄÍÄ¥µÄÉþ²Ä£¬»ò½µµÍĦ²ÁϵÊýµÄ´¦Öóͷ£¡£
ͨ¹ýʵ¼ù£¬ÎÒÃÇÄÜÒ»Ö±ÐÞÕýºÍÍêÉÆ£¬ÕæÕýʵÏÖ¡°ÀíÂÛ-ѵÁ·-Â䵨¡±µÄ±Õ»·¡£Õâ·ÝÁ½¶ÎʽµÄÂ䵨֏ÄÏ£¬ÒâÔÚ°ÑÁýͳµÄ¿ò¼Üת»¯Îª¿É²Ù×÷µÄ°ì·¨¡¢¾ßÏóµÄÏîÄ¿ºÍ¿ÉÒ»Á¬µÄѧϰ·¾¶£¬ÈÃÉþÒÕ¼È¾ß¿ÆÆÕÐÔ£¬ÓÖ¾ßÊÊÓÃÐÔ¡£