2011ÄêÔÚ¹ú¼ÒÑëÐмÓÏ¢µÄѹÁ¦Ï£¬Ä³¹«Ë¾¾ö¶¨ÑÐÖÆÒ»ÖÖÐÂÐͽÚÄܲúÆ·²¢¼ÓÒÔÏúÊÛ£¬ÏÖ×¼±¸ÔÚÒ»Ïß³ÇÊкͶþÏß³ÇÊÐÁ½¸ö²»Í¬µØ·½°´²»Í¬ÏúÊÛ·½°¸½øÐÐÏúÊÛ£¬ÒÔ±ã¿ªÍØÊг¡£®
Èô
Ö»ÔÚÒ»Ïß³ÇÊÐÏúÊÛ£¬ÏúÊÛ¼Û¸ñy£¨Ôª/¼þ£©ÓëÔÂÏúÁ¿x£¨¼þ£©µÄº¯Êý¹ØÏµÊ½Îªy =![]()
x£«150£¬
³É±¾Îª20Ôª/¼þ£¬ÎÞÂÛÏúÊÛ¶àÉÙ£¬Ã¿Ô»¹ÐèÖ§³ö¹ã¸æ·Ñ62500Ôª£¬ÉèÔÂÀûÈóΪ
£¨Ôª£©£¨ÀûÈó = ÏúÊ۶ɱ¾£¹ã¸æ·Ñ£©£®
ÈôÖ»ÔÚ¶þÏß³ÇÊÐÏúÊÛ£¬ÏúÊÛ¼Û¸ñΪ150Ôª/¼þ£¬Êܸ÷ÖÖ²»È·¶¨ÒòËØÓ°Ï죬³É±¾ÎªaÔª/¼þ£¨aΪ
³£Êý£¬10¡Üa¡Ü40£©£¬µ±ÔÂÏúÁ¿Îªx£¨¼þ£©Ê±£¬Ã¿Ô»¹Ðè½ÉÄÉ
x2 ÔªµÄ¸½¼Ó·Ñ£¬ÉèÔÂÀûÈóΪ
£¨Ôª£©£¨ÀûÈó = ÏúÊ۶ɱ¾£¸½¼Ó·Ñ£©£®
£¨1£©µ±x = 1000ʱ£¬y = Ôª/¼þ£¬wÒ»Ïß = Ôª£»
£¨2£©·Ö±ðÇó³ö
£¬
Óëx¼äµÄº¯Êý¹ØÏµÊ½£¨²»±ØÐ´xµÄȡֵ·¶Î§£©£»
£¨3£©µ±xΪºÎֵʱ£¬ÔÚÒ»Ïß³ÇÊÐÏúÊÛµÄÔÂÀûÈó×î´ó£¿ÈôÔÚ¶þÏß³ÇÊÐÏúÊÛÔÂÀûÈóµÄ×î´óÖµÓëÔÚÒ»Ïß³ÇÊÐÏúÊÛÔÂÀûÈóµÄ×î´óÖµÏàͬ£¬ÇóaµÄÖµ£»
£¨4£©Èç¹ûijÔÂÒª½«5000¼þ²úÆ·È«²¿ÏúÊÛÍ꣬ÇëÄãͨ¹ý·ÖÎö°ï¹«Ë¾¾ö²ß£¬Ñ¡ÔñÔÚ¶þÏß³ÇÊл¹ÊÇÔÚÒ»Ïß³ÇÊÐÏúÊÛ²ÅÄÜʹËù»ñÔÂÀûÈó½Ï´ó£¿
1£©140¡¡¡¡¡¡¡¡¡¡57500£»¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¨2·Ö£©
¡¡¡¡¡¡¡¡¡¡
£¨2£©wÒ»Ïß = x£¨y -20£©- 62500 =
x2£«130 x
£¬
W¶þÏß = ![]()
x2£«£¨150
£©x£®¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¨2·Ö£©
£¨3£©µ±x =
= 6500ʱ£¬wÒ»Ïß×î´ó£»¡¡
ÓÉÌâÒâµÃ
£¬
½âµÃa1 = 30£¬a2 = 270£¨²»ºÏÌâÒ⣬ÉáÈ¥£©£®ËùÒÔ a = 30£®¡¡¡¡¡¡¡¡¡¡¡¡ £¨2·Ö£©
£¨4£©µ±x = 5000ʱ£¬wÒ»Ïß = 337500£¬ w¶þÏß=
£®
ÈôwÒ»Ïß £¼ w¶þÏߣ¬Ôòa£¼32.5£»
ÈôwÒ»Ïß = w¶þÏߣ¬Ôòa = 32.5£»
ÈôwÒ»Ïߣ¾ w¶þÏߣ¬Ôòa£¾32.5£®
ËùÒÔ£¬µ±10¡Ü a £¼32.5ʱ£¬Ñ¡ÔñÔÚ¶þÏßÏúÊÛ£»
µ±a = 32
.5ʱ£¬ÔÚÒ»ÏߺͶþÏßÏúÊÛ¶¼Ò»Ñù£»
µ±32.5£¼ a ¡Ü40ʱ£¬Ñ¡ÔñÔÚÒ»ÏßÏúÊÛ£®¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¨£´·Ö£©
| Äê¼¶ | ¸ßÖÐ¿Î³Ì | Äê¼¶ | ³õÖÐ¿Î³Ì |
| ¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
| ¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍÆ¼ö£¡ |
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º
| 1 |
| 100 |
| 1 |
| 100 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012Äêºþ±±Ê¡»Æ¸ÔÊÐÖп¼ÊÊÓ¦ÐÔ¿¼ÊÔÊýѧÊÔ¾í£¨Èý£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012Äêºþ±±Ê¡»Æ¸ÔÊÐÖп¼ÊýѧģÄâÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2012ÄêÕã½Ê¡º¼ÖÝÊÐÖп¼ÊýѧģÄâÊÔ¾í£¨15£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¹ú¼ÊѧУÓÅÑ¡ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com