¸£ÖÝÊÐij´óÐͼҵçÉ̳¡ÎªÁËʹÿÔÂÏúÊÛ¿Õµ÷ºÍ±ùÏä»ñµÃµÄ×ÜÀûÈó´ïµ½×î´ó£¬¶ÔijÔ¼´½«³öÊ۵Ŀյ÷ºÍ±ùÏä½øÐÐÁËÏà¹Øµ÷²é£¬µÃ³öÏÂ±í£º
×ʽð ÿ̨¿Õµ÷»ò±ùÏäËùÐè×ʽð
£¨°ÙÔª£©
ÔÂ×ʽð×î¶à¹©Ó¦Á¿
£¨°ÙÔª£©
¿Õµ÷ ±ùÏä
½ø»õ³É±¾ 30 20 300
¹¤È˹¤×Ê 5 10 110
ÿ̨ÀûÈó 6 8
ÎÊ£º¸ÃÉ̳¡Èç¹û¸ù¾Ýµ÷²éµÃÀ´µÄÊý¾Ý£¬Ó¦¸ÃÔõÑùÈ·¶¨¿Õµ÷ºÍ±ùÏäµÄÔ¹©Ó¦Á¿£¬²ÅÄÜʹÉ̳¡»ñµÃµÄ×ÜÀûÈó×î´ó£¿×ÜÀûÈóµÄ×î´óֵΪ¶àÉÙÔª£¿
·ÖÎö£º¸ù¾ÝÿÔµÄ×ʽð¹©Ó¦Á¿£¬ÎÒÃÇÏÈÁгöÂú×ãÌõ¼þµÄÔ¼ÊøÌõ¼þ£¬½ø¶ø»­³ö¿ÉÐÐÓò£¬Æ½ÒÆÄ¿±êº¯ÊýµÄ±äÐÎÖ±Ïߣ¬¿ÉµÃ×îÓŽ⣮
½â´ð£º½â£ºÉèÿÔµ÷½ø¿Õµ÷ºÍ±ùÏä·Ö±ðΪx£¬y̨£¬×ÜÀûÈóΪ z£¨°ÙÔª£©ÔòÓÉÌâÒâµÃ
30x+20y¡Ü300
5x+10y¡Ü110
x¡Ý0£¬y¡Ý0
£¬¼´
3x+2y¡Ü30
x+2y¡Ü22
x¡Ý0£¬y¡Ý0

Ä¿±êº¯ÊýÊÇ z=6x+8y£¬¼´y=-
3
4
x+
z
8

ƽÒÆÖ±Ïßy=-
3
4
x£¬µ±Ö±Ïß¹ýPµãʱ£¬zÈ¡×î´óÖµ
ÓÉ
3x+2y=30
x+2y=22
µÃ
Pµã×ø±êΪP£¨4£¬9£©
½«£¨4£¬£©´úÈëµÃzmax=6¡Á4+8¡Á9=96£¨°ÙÔª£©
¼´¿Õµ÷ºÍ±ùÏäÿÔ·ֱðµ÷½ø4̨ºÍ9̨ÊÇÉ̳¡»ñµÃµÄ×ÜÀûÈó×î´ó£¬×ÜÀûÈó×î´óֵΪ9600Ôª
µãÆÀ£º±¾ÌâÊǼòµ¥ÏßÐԹ滮Ì⣬Æä²½ÖèÊÇÉ裬ÁУ¬»­£¬ÒÆ£¬Ç󣬴ú£¬´ð£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

¸£ÖÝÊÐij´óÐͼҵçÉ̳¡ÎªÁËʹÿÔÂÏúÊÛ¿Õµ÷ºÍ±ùÏä»ñµÃµÄ×ÜÀûÈó´ïµ½×î´ó£¬¶ÔijÔ¼´½«³öÊ۵Ŀյ÷ºÍ±ùÏä½øÐÐÁËÏà¹Øµ÷²é£¬µÃ³öÏÂ±í£º
×ʽð ÿ̨¿Õµ÷»ò±ùÏäËùÐè×ʽ𣨰ÙÔª£© ÔÂ×ʽð×î¶à¹©Ó¦Á¿
£¨°ÙÔª£©
¿Õµ÷ ±ùÏä
½ø»õ³É±¾ 30 20 300
¹¤È˹¤×Ê 5 10 110
ÿ̨ÀûÈó 6 8
 
ÎÊ£ºÈç¹û¸ù¾Ýµ÷²éµÃµ½µÄÊý¾Ý£¬¸ÃÉ̳¡Ó¦¸ÃÔõÑùÈ·¶¨¿Õµ÷ºÍ±ùÏäµÄÔ¹©Ó¦Á¿£¬²ÅÄÜʹÉ̳¡»ñµÃµÄ×ÜÀûÈó×î´ó£¿×ÜÀûÈóµÄ×î´óֵΪ¶àÉÙÔª£¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2014½ì¸£½¨Ê¡¸ß¶þÉÏѧÆÚÆÚÖп¼ÊÔÀí¿ÆÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

£¨±¾Ð¡ÌâÂú·Ö10·Ö£©

¸£ÖÝÊÐij´óÐͼҵçÉ̳¡ÎªÁËʹÿÔÂÏúÊÛ¿Õµ÷ºÍ±ùÏä»ñµÃµÄ×ÜÀûÈó´ïµ½×î´ó,¶ÔijÔ¼´½«³öÊ۵Ŀյ÷ºÍ±ùÏä½øÐÐÁËÏà¹Øµ÷²é£¬µÃ³öÏÂ±í£º

×ʽð

ÿ̨¿Õµ÷»ò±ùÏäËùÐè×ʽ𣨰ÙÔª£©

ÔÂ×ʽð×î¶à¹©Ó¦Á¿

£¨°ÙÔª£©

¿Õµ÷

±ùÏä

½ø»õ³É±¾

30

20

300

¹¤È˹¤×Ê

5

10

110

ÿ̨ÀûÈó

6

8

 

ÎÊ£ºÈç¹û¸ù¾Ýµ÷²éµÃµ½µÄÊý¾Ý£¬¸ÃÉ̳¡Ó¦¸ÃÔõÑùÈ·¶¨¿Õµ÷ºÍ±ùÏäµÄÔ¹©Ó¦Á¿£¬²ÅÄÜʹÉ̳¡»ñµÃµÄ×ÜÀûÈó×î´ó£¿×ÜÀûÈóµÄ×î´óֵΪ¶àÉÙÔª£¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2014½ì¸£½¨Ê¡¸ß¶þÉÏѧÆÚÆÚÖп¼ÊÔÎÄ¿ÆÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

(±¾Ð¡ÌâÂú·Ö12·Ö£©

¸£ÖÝÊÐij´óÐͼҵçÉ̳¡ÎªÁËʹÿÔÂÏúÊÛ¿Õµ÷ºÍ±ùÏä»ñµÃµÄ×ÜÀûÈó´ïµ½×î´ó,¶ÔijÔ¼´½«³öÊ۵Ŀյ÷ºÍ±ùÏä½øÐÐÁËÏà¹Øµ÷²é£¬µÃ³öÏÂ±í£º

×ʽð

ÿ̨¿Õµ÷»ò±ùÏäËùÐè×ʽð

£¨°ÙÔª£©

ÔÂ×ʽð×î¶à¹©Ó¦Á¿

£¨°ÙÔª£©

¿Õµ÷

±ùÏä

½ø»õ³É±¾

30

20

300

¹¤È˹¤×Ê

5

10

110

ÿ̨ÀûÈó

6

8

 

ÎÊ£º¸ÃÉ̳¡Èç¹û¸ù¾Ýµ÷²éµÃÀ´µÄÊý¾Ý£¬Ó¦¸ÃÔõÑùÈ·¶¨¿Õµ÷ºÍ±ùÏäµÄÔ¹©Ó¦Á¿£¬²ÅÄÜʹÉ̳¡»ñµÃµÄ×ÜÀûÈó×î´ó£¿×ÜÀûÈóµÄ×î´óֵΪ¶àÉÙÔª£¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2012-2013ѧÄ긣½¨Ê¦´ó¸½Öи߶þ£¨ÉÏ£©ÆÚÖÐÊýѧÊÔ¾í£¨Àí¿Æ£©£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

¸£ÖÝÊÐij´óÐͼҵçÉ̳¡ÎªÁËʹÿÔÂÏúÊÛ¿Õµ÷ºÍ±ùÏä»ñµÃµÄ×ÜÀûÈó´ïµ½×î´ó£¬¶ÔijÔ¼´½«³öÊ۵Ŀյ÷ºÍ±ùÏä½øÐÐÁËÏà¹Øµ÷²é£¬µÃ³öÏÂ±í£º
×ʽðÿ̨¿Õµ÷»ò±ùÏäËùÐè×ʽ𣨰ÙÔª£©ÔÂ×ʽð×î¶à¹©Ó¦Á¿
£¨°ÙÔª£©
¿Õµ÷±ùÏä
½ø»õ³É±¾3020300
¹¤È˹¤×Ê510110
ÿ̨ÀûÈó68
 
ÎÊ£ºÈç¹û¸ù¾Ýµ÷²éµÃµ½µÄÊý¾Ý£¬¸ÃÉ̳¡Ó¦¸ÃÔõÑùÈ·¶¨¿Õµ÷ºÍ±ùÏäµÄÔ¹©Ó¦Á¿£¬²ÅÄÜʹÉ̳¡»ñµÃµÄ×ÜÀûÈó×î´ó£¿×ÜÀûÈóµÄ×î´óֵΪ¶àÉÙÔª£¿

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸