µ±Ç°Î»ÖãºÊ×Ò³ > ¹¤³Ì¸ÅÔ¤ËãϰÌ⼯1º¬´ð°¸
ÏÂÁÐÏÖ½½»ìÄýÍÁ¹¤³ÌÁ¿¼ÆËã·½·¨ÖУ¬·ûºÏ¡¶È«¹úͳһ½¨Öþ¹¤³ÌÔ¤Ë㹤³ÌÁ¿¼ÆËã¹æÔò¡·µÄÓÐ( abe )¡£ A¡¢¿ò¼ÜÖùµÄÖù¸ßÓ¦×ÔÖù»ùÉϱíÃæÖÁÖù¶¥¸ß¶È¼ÆËã B¡¢ÁºÓëÖùÁ¬½Óʱ£¬Áº³¤ËãÖÁÖù²àÃæ C¡¢ÉìÈëשǽÄÚµÄÁº¡¢ÆäÁºµæÌå»ý²»¼Æ D¡¢°å°´²»Í¬ºñ¶ÈÒÔÆ½·½Ã×¼ÆËã E¡¢ÓÐÁº°å°´Áº¡¢°åÌå»ýÖ®ºÍ¼ÆËã
°´ÕÕ¡¶È«¹úͳһ½¨Öþ¹¤³ÌÔ¤Ë㹤³ÌÁ¿¼ÆËã¹æÔò¡·µÄ¹æ¶¨£¬´ø·´ÌôéܵÄÓêÅñ¹¤³ÌÁ¿°üÀ¨( ab ) A¡¢°´Éì³öÍâǽµÄË®Æ½Í¶Ó°Ãæ»ý¼ÆËãµÄÓêÅñÃæ»ý B¡¢·´ÌôéܵÄÕ¹¿ªÃæ»ý C¡¢Éì³öÍâǽµÄÓêÅñµÄÌå»ý D¡¢ÓêÅñÁºÓë°åµÄÌå»ý E¡¢·´ÌôéܵÄÌå»ý
¼ÆË㽨ÖþÃæ»ýµÄ½¨ÖþÎïÓ¦¾ß±¸µÄÌõ¼þÓÐ( ace )¡£ A¡¢¿Éµ¥¶À¼ÆËãË®Æ½Ãæ»ý
B¡¢¾ßÓÐÍêÕûµÄ»ù´¡¡¢¿ò¼Ü¡¢Ç½ÌåµÈ½á¹¹ C¡¢½á¹¹ÉÏ¡¢Ê¹ÓÃÉϾßÓÐÒ»¶¨Ê¹Óù¦ÄܵĿռä D¡¢½á¹¹ÉϾßÓÐ×ã¹»µÄÄ;ÃÐÔ
E¡¢¿Éµ¥¶À¼ÆËãÏàÓ¦µÄÈ˹¤¡¢²ÄÁÏ¡¢»úеµÄÏûºÄÁ¿
͹³öÇ½Ãæµ«²»ÄÜÁíÐмÆË㹤³ÌÁ¿²¢ÈëǽÌåµÄÆöÌåÓÐ( ace )¡£ A¡¢ÑüÏß B¡¢×©¹ýÁº C¡¢Ñ¹¶¥ D¡¢×©¶â E¡¢»¢Í·×©
¹ØÓÚ¸Ö½î»ìÄýÍÁ¹¤³ÌÁ¿¼ÆËã¹æÔòÕýÈ·µÄ˵·¨ÊÇ( abcd )¡£ A¡¢ÎÞÁº°åÌå»ý°üÀ¨°åºÍÖùñµÄÌå»ý B¡¢ÏÖ½½»ìÄýÍÁÂ¥Ìݰ´Ë®Æ½Í¶Ó°Ãæ»ý¼ÆËã C¡¢ÍâÌôÓêÅñÉϵķ´Ìôéܲ¢ÈëÓêÅñ¼ÆËã
D¡¢Ô¤ÖƸֽî»ìÄýÍÁÂ¥Ìݰ´Éè¼ÆÍ¼Ê¾³ß´çÒÔÌå»ý¼ÆËã E¡¢Ô¤Öƹ¹¼þµÄµõ¹³Ó¦°´Ô¤ÂñÌú¼þÒÔÖØÁ¿¼ÆËã
29
¹ØÓÚÂ¥ÌÝ×°Ê餳ÌÁ¿¼ÆËã¹æÔòÕýÈ·µÄ˵·¨ÊÇ( ad )¡£ A¡¢°´Éè¼ÆÍ¼Ê¾³ß´çÒÔÂ¥ÌÝË®Æ½Í¶Ó°Ãæ»ý¼ÆËã B¡¢Ì¤²½¡¢ÐÝϢƽ̨Ӧµ¥¶ÀÁíÐмÆËã
C¡¢Ì¤²½Ó¦µ¥¶ÀÁíÐмÆË㣬ÐÝϢƽ̨²»Ó¦µ¥¶ÀÁíÐмÆËã D¡¢Ì¤²½¡¢ÐÝϢƽ̨²»µ¥¶ÀÁíÐмÆËã
E¡¢ÐÝϢƽ̨Ӧµ¥¶ÀÁíÐмÆË㣬¶øÌ¤²½²»Ó¦µ¥¶À¼ÆËã
ÏÂÁи÷ÏîÖУ¬Ö»Äܰ´ÆäÍ¶Ó°Ãæ»ýÒ»°ë¼ÆË㽨ÖþÃæ»ýµÄÓÐ( abce )¡£ A¡¢ÎÞΧ»¤½á¹¹µÄ°¼Ñǫ̂¡¢ÌôÑǫ̂ B¡¢ÍâÌô1.5mµÄÓиÇÎÞÖù×ßÀÈ¡¢éÜÀÈ C¡¢µ¥ÅÅÖùµÄ³µÅï¡¢»õÅï
D¡¢Ìô³öǽÍâ¿í¶È1.5mÒÔÉϵÄÓêÅñ E¡¢¶ÀÁ¢ÖùµÄÓêÅñ
¸ù¾Ý¡¶½¨É蹤³Ì¹¤³ÌÁ¿Çåµ¥¼Æ¼Û¹æ·¶¡·µÄÓйع涨£¬ÏÂÁÐÏîÄ¿¹¤³ÌÁ¿Çåµ¥¼ÆËãʱ£¬ÒÔm2Ϊ¼ÆÁ¿µ¥Î»µÄÓÐ( ac )¡£ A¡¢Ô¤ÖÆ»ìÄýÍÁÂ¥ÌÝ B¡¢ÏÖ½½»ìÄýÍÁÂ¥ÌÝ C¡¢ÏÖ½½»ìÄýÍÁÓêÅñ D¡¢ÏÖ½½»ìÄýÍÁÆÂµÀ E¡¢ÏÖ½½»ìÄýÍÁµØ¹µ
¸ù¾Ý¡¶½¨É蹤³Ì¹¤³ÌÁ¿Çåµ¥¼Æ¼Û¹æ·¶¡·µÄÓйع涨£¬ÏÂÁÐÏîÄ¿¹¤³ÌÁ¿Çåµ¥¼ÆËãʱÒÔm2Ϊ¼ÆÁ¿µ¥Î»µÄÓÐ( cd )¡£ A¡¢ÃÅ´°ÓÍÆá B¡¢Ä¾·öÊÖÓÍÆá C¡¢±Ú¹ñÓÍÆá D¡¢Å¯ÆøÕÖÓÍÆá E¡¢´°Á±ºÐÓÍÆá
¹ØÓÚ½¨ÖþÃæ»ýÒÔÏÂ˵·¨ÕýÈ·µÄÊÇ( abc )¡£
A¡¢·²ÔڽṹÉÏ¡¢Ê¹ÓÃÉÏÐγɾßÓÐÒ»¶¨Ê¹Óù¦ÄܵĽ¨ÖþÎïºÍ¹¹ÖþÎ²¢Äܵ¥¶À¼ÆËã³öÆäË®Æ½Ãæ»ý¼°ÏàÓ¦ÏûºÄµÄÈ˹¤¡¢²ÄÁϺͻúеÓÃÁ¿µÄ£¬Ó¦¼ÆË㽨ÖþÃæ»ý
30
B¡¢½¨ÖþÃæ»ýÊÇÈ·¶¨½¨Éè¹æÄ£µÄÖØÒªÖ¸±ê C¡¢½¨ÖþÃæ»ýÊÇÈ·¶¨¸÷Ïü¼ÊõÖ¸±êµÄ»ù´¡ D¡¢µ¥Î»Ãæ»ý¹¤³ÌÔì¼Û£½¹¤³ÌÔì¼Û/½¨ÖþÕ¼µØÃæ»ý E¡¢¸ÅËãÖ¸±êͨ³£ÒÔ½¨ÖþÕ¼µØÃæ»ýΪ¼ÆÁ¿µ¥Î»
¹ØÓÚ½¨ÖþÃæ»ý¼ÆËã¹æÔò˵·¨ÕýÈ·µÄÊÇ( bc )¡£
A¡¢µ¥²ã½¨ÖþÎïÄÚÉèÓоֲ¿Â¥²ãÕߣ¬¾Ö²¿Â¥²ãµÄ¶þ²ã¼°ÒÔÉÏÂ¥²ã£¬ÓÐΧ»¤½á¹¹µÄÓ¦°´ÆäΧ»¤½á¹¹ÍâÎ§Ë®Æ½Ãæ»ýµÄ1/2¼ÆËã
B¡¢¶à²ã½¨ÖþÎï¶þ²ã¼°ÒÔÉÏÂ¥²ãÓ¦°´ÆäÍâǽ½á¹¹ÍâÎ§Ë®Æ½Ãæ»ý¼ÆËã C¡¢¶à²ã½¨ÖþÎïÎݶ¥£¬µ±Éè¼Æ²»ÀûÓÃʱ²»Ó¦¼ÆËãÃæ»ý D¡¢³µ¿â²ã¸ß²»×ã2.1mÕßÓ¦¼ÆËã1/2Ãæ»ý
E¡¢Éè¼Æ¼ÓÒÔÀûÓá¢ÎÞΧ»¤½á¹¹µÄµõ½Å¼Ü¿Õ²ã²»Ó¦¼ÆËãÃæ»ý
ÏÂÁа´Ë®Æ½Í¶Ó°Ãæ»ý1/2¼ÆË㽨ÖþÃæ»ýµÄÓÐ( abd )¡£ A¡¢Îݶ¥Éϲã¸ß2.10mÓÐΧ»¤½á¹¹µÄË®Ïä B¡¢µ¥ÅÅÖù³µÅï
C¡¢ÎÞÓÀ¾ÃÐÔ¶¥¸ÇµÄÊÒÍâÂ¥ÌÝ D¡¢¿í¶È2.20m¶ÀÁ¢ÖùÓêÅñ E¡¢ÎÞÓÀ¾ÃÐÔ¶¥¸ÇµÄ¼Ü¿Õ×ßÀÈ
½¨ÖþÎïÄÚ°´½¨ÖþÎïµÄ×ÔÈ»²ã¼ÆË㽨ÖþÃæ»ýµÄÓÐ( abd )¡£ A¡¢ÊÒÄÚÂ¥Ìݼä B¡¢À¬»øµÀ C¡¢´óÌüÄÚ»ØÀÈ D¡¢µçÌݾ® E¡¢ÓêÅñ
ÒÔÏÂ˵·¨ÕýÈ·µÄÊÇ( ce )¡£
A¡¢ÓÐÓÀ¾ÃÐÔ¶¥¸ÇÎÞΧ»¤½á¹¹µÄ³µÅï°´¶¥¸ÇË®Æ½Í¶Ó°Ãæ»ý¼ÆËã B¡¢¸ßµÍÁ¬¿çµÄ½¨ÖþÎïÄÚ²¿Á¬Í¨Ê±£¬±äÐÎ·ì¼ÆÈë¸ß¿çÃæ»ýÄÚ C¡¢ÒÔĻǽΪΧ»¤½á¹¹µÄ½¨ÖþÎ°´Ä»Ç½Íâ±ßÏß¼ÆË㽨ÖþÃæ»ý
D¡¢½¨ÖþÎïÍâ²àÓб£Î¸ôÈȲãµÄ£¬°´±£Î¸ôÈȲãÍâ±ßÏßËùÎ§Ë®Æ½Ãæ»ýµÄ1/2¼ÆËãE¡¢½¨ÖþÎïÄڵıäÐη죬°´×ÔÈ»²ãºÏ²¢ÔÚ½¨ÖþÃæ»ýÄÚ
31
ÏÂÁв»¼ÆË㽨ÖþÃæ»ýµÄÄÚÈÝÓÐ( ade )¡£ A¡¢Í»³öǽÍâÓÐΧ»¤½á¹¹µÄ³÷´° B¡¢±äÐηì
C¡¢ÆÂÎݶ¥Äڿռ侻¸ßСÓÚ1.2mµÄ²¿·Ö D¡¢É豸¹ÜµÀ²ã
E¡¢Ìô³öÍâǽÍâ±ßÏß¿í¶È2.OmµÄÓêÅñ
ש»ù´¡ÆöÖþ¹¤³ÌÁ¿ÖÐÓ¦¿Û³ý( ac )ËùÕ¼µÄÌå»ý¡£ A¡¢µØÁº
B¡¢Ç¶ÈëµÄ¸Ö½î»ìÄýÍÁ¹ýÁº C¡¢¹¹ÔìÖùËùÕ¼Ìå»ý
D¡¢»ù´¡´ó·Å½ÅTÐνÓÍ·µÄÖØµþ²¿·Ö E¡¢»ù´¡·À³±²ã
ÏÂÁÐ˵·¨ÕýÈ·µÄÓÐ( cd )¡£
A¡¢ÔÚ¼ÆËãΧǽ¸ß¶Èʱ¸ß¶ÈËãÖÁѹ¶¥ÉϱíÃæ£¬Î§Ç½Öùµ¥¶À¼ÆËã B¡¢¿Õ¶·Ç½£ºÇ½½Ç¡¢ÄÚÍâǽ½»½Ó´¦µ¥¶À¼ÆËã C¡¢¿Õ»¨Ç½£º²»¿Û³ý¿×¶´²¿·ÖÌå»ý
D¡¢Ìî³äǽ£»°´Éè¼ÆÍ¼Ê¾³ß´çÒÔÌî³äǽÍâÐÎÌå»ý¼ÆËã
E¡¢ÊµÐÄשÖù¡¢ÁãÐÇÆöש£º²»¿Û³ý»ìÄýÍÁ¼°¸Ö½î»ìÄýÍÁÁºµæ¡¢ÁºÍ·¡¢°åÍ·ËùÕ¼Ìå»ý
ÒÔϹØÓÚ¸Ö½î»ìÄýÍÁ¹¤³ÌÁ¿¼ÆËã¹æÔòÖУ¬ÕýÈ·µÄÓÐ( bde )¡£ A¡¢¹¹ÔìÖùµÄ¹¤³ÌÁ¿£¬ÓëǽÉíǶ½Ó²¿·Ö²¢ÈëǽÉíµÄ¹¤³ÌÁ¿ÄÚ¼ÆËã B¡¢ÎÞÁº°åϵÄÖù£¬Öù¸ß´ÓÖù»ùÉϱíÃæËãÖÁÖùñµÄϱíÃæ C¡¢¿ò¼ÜÖù£¬Öù¸ß´ÓÖù»ùÉϱíÃæËãÖÁÉÏÒ»²ãÂ¥°åµÄϱíÃæ D¡¢¿ò¼ÜÖù£¬Öù¸ß´ÓÖù»ùÉϱíÃæ¼ÆËãÖÁÖù¶¥
E¡¢ÓÐÁº°åϵÄÖù£¬Öù¸ß´ÓÖù»ùÉϱíÃæËãÖÁÉÏÒ»²ãÂ¥°åµÄÉϱíÃæ
32
¹²·ÖÏí92ƪÏà¹ØÎĵµ