̽¾¿º¯ÊýµÄ×îСֵ£¬²¢È·¶¨È¡µÃ×îСֵʱxµÄÖµ£®ÁбíÈçÏ£¬Çë¹Û²ì±íÖÐyÖµËæxÖµ±ä»¯µÄÌص㣬Íê³ÉÒÔϵÄÎÊÌ⣮
x¡­0.511.51.722.12.3347¡­
y¡­64.25179.368.4388.048.3110.71749.33¡­
ÒÑÖª£ºº¯ÊýÔÚÇø¼ä£¨0£¬2£©Éϵݼõ£¬ÎÊ£º
£¨1£©º¯ÊýÔÚÇø¼ä______ÉϵÝÔö£®µ±x=______ʱ£¬y×îС=______£®
£¨2£©Ö¤Ã÷£ºº¯ÊýÔÚÇø¼ä£¨0£¬2£©µÝ¼õ£»
£¨3£©Ë¼¿¼£ºº¯ÊýÓÐ×î´óÖµ»ò×îСֵÂð£¿ÈçÓУ¬ÊǶàÉÙ£¿´ËʱxΪºÎÖµ£¿£¨Ö±½Ó»Ø´ð½á¹û£¬²»ÐèÖ¤Ã÷£©
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÓÉͼ±í¿ÉÖª£¬º¯ÊýµÄµ¥µ÷ÔöÇø¼äΪ£¨2£¬+¡Þ£©£»   µ±x=2ʱy×îС=4£¬Óɴ˵õ½´ð°¸£®
£¨2£©Éè 0£¼x1£¼x2 £¼2£¬»¯¼òf£¨x1£©-f£¨x2£© Ϊ£¾0£¬´Ó¶øf£¨x1£©-f£¨x2£©£¾0£¬
¿ÉµÃº¯ÊýÔÚ£¨0£¬2£©ÉÏΪ¼õº¯Êý£®
£¨3£©¸ù¾Ýº¯Êý½âÎöʽ¿ÉµÃ£¬µ±x=-2ʱ£¬º¯ÊýyÓÐ×îСֵµÈÓÚ 8£®
½â´ð£º½â£º£¨1£©ÓÉͼ±í¿ÉÖª£¬º¯ÊýµÄµ¥µ÷ÔöÇø¼äΪ£¨2£¬+¡Þ£©£»   µ±x=2ʱy×îС=4£®
¹Ê´ð°¸Îª£¨2£¬+¡Þ£©£¬2£¬4£® ¡­£¨4·Ö£©
£¨2£©Ö¤Ã÷£ºÉè 0£¼x1£¼x2 £¼2£¬
¡ßf£¨x1£©-f£¨x2£©=-==£®
ÓÖ¡ß0£¼x1£¼x2£¼2£¬¡à£¬ÓÖ¡ßx1£¬x2¡Ê£¨0£¬2£©£¬¡à£¬
¡à£¬¡àf£¨x1£©-f£¨x2£©£¾0¡àº¯ÊýÔÚ£¨0£¬2£©ÉÏΪ¼õº¯Êý£®¡­£¨9·Ö£©
£¨3£©Ë¼¿¼£º£¬µ±x=-2ʱ£¬º¯ÊýyÓÐ×îСֵµÈÓÚ 8£®¡­£¨12·Ö£©
µãÆÀ£º±¾ÌâÖ÷Òª¿¼²éº¯ÊýµÄµ¥µ÷ÐÔµÄÅжϺÍÖ¤Ã÷£¬º¯ÊýµÄ×îÖµ¼°Æ伸ºÎÒâÒ壬ÊôÓÚÖеµÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

̽¾¿º¯ÊýµÄ×îСֵ£¬²¢È·¶¨È¡µÃ×îСֵʱxµÄÖµ.ÁбíÈçÏ£º

x

¡­

0.5

1

1.5

1.7

1.9

2

2.1

2.2

2.3

3

4

5

7

¡­

y

¡­

8.5

5

4.17

4.05

4.005

4

4.005

4.02

4.04

4.3

5

4.8

7.57

¡­

Çë¹Û²ì±íÖÐyÖµËæxÖµ±ä»¯µÄÌص㣬Íê³ÉÒÔϵÄÎÊÌâ.

º¯ÊýÔÚÇø¼ä£¨0£¬2£©Éϵݼõ£»

º¯ÊýÔÚÇø¼ä                      ÉϵÝÔö.

µ±              ʱ£¬                  .

Ö¤Ã÷£ºº¯ÊýÔÚÇø¼ä£¨0£¬2£©µÝ¼õ.

˼¿¼:

º¯Êýʱ£¬ÓÐ×îÖµÂð£¿ÊÇ×î´óÖµ»¹ÊÇ×îСֵ£¿´ËʱxΪºÎÖµ£¿£¨Ö±½Ó»Ø´ð½á¹û£¬²»ÐèÖ¤Ã÷£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

̽¾¿º¯ÊýµÄ×îСֵ£¬²¢È·¶¨È¡µÃ×îСֵʱxµÄÖµ.ÁбíÈçÏ£º

x

¡­

0.5

1

1.5

1.7

1.9

2

2.1

2.2

2.3

3

4

5

7

¡­

y

¡­

8.5

5

4.17

4.05

4.005

4

4.005

4.02

4.04

4.3

5

5.8

7.57

¡­

Çë¹Û²ì±íÖÐyÖµËæxÖµ±ä»¯µÄÌص㣬Íê³ÉÒÔϵÄÎÊÌâ.

(1)º¯ÊýÔÚÇø¼ä£¨0£¬2£©Éϵݼõ£¬ÔÚÇø¼ä          ÉϵÝÔö. µ±     ʱ£¬        .

(2)Ö¤Ã÷£ºº¯ÊýÔÚÇø¼ä£¨0£¬2£©µÝ¼õ.

(3)˼¿¼£¿º¯ÊýʱÓÐ×îÖµÂð£¿ÊÇ×î´óÖµ»¹ÊÇ×îСֵ£¿´ËʱxΪºÎÖµ£¿£¨Ö±½Ó»Ø´ð½á¹û£¬²»ÐèÖ¤Ã÷£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2009-2010ѧÄê°²»ÕÊ¡ºÏ·ÊÒ»ÖиßÒ»£¨ÉÏ£©µÚÒ»´Î¶Î¿¼ÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

̽¾¿º¯ÊýµÄ×îСֵ£¬²¢È·¶¨È¡µÃ×îСֵʱxµÄÖµ£®ÁбíÈçÏ£º
x¡­0.511.51.71.922.12.22.33457¡­
y¡­8.554.174.054.00544.0054.024.044.355.87.57¡­
Çë¹Û²ì±íÖÐyÖµËæxÖµ±ä»¯µÄÌص㣬Íê³ÉÒÔϵÄÎÊÌ⣮
º¯ÊýÔÚÇø¼ä£¨0£¬2£©Éϵݼõ£»
£¨1£©º¯ÊýÔÚÇø¼ä______ÉϵÝÔö£®µ±x=______ʱ£¬y×îС=______£®
£¨2£©Ö¤Ã÷£ºº¯ÊýÔÚÇø¼ä£¨0£¬2£©µÝ¼õ£®
£¨3£©Ë¼¿¼£ºº¯ÊýÓÐ×îÖµÂð£¿ÈçÓУ¬ÊÇ×î´óÖµ»¹ÊÇ×îСֵ£¿´ËʱxΪºÎÖµ£¿£¨Ö±½Ó»Ø´ð½á¹û£¬²»ÐèÖ¤Ã÷£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÊýѧ À´Ô´£º2012-2013ѧÄêËÄ´¨Ê¡ÀÖɽÊÐÎåͨÇÅÇøÅ£»ªÖÐѧ¸ßÒ»£¨ÉÏ£©ÆÚÖÐÊýѧÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

̽¾¿º¯ÊýµÄ×îСֵ£¬²¢È·¶¨È¡µÃ×îСֵʱxµÄÖµ£®ÁбíÈçÏ£º
x¡­0.511.51.71.922.12.22.33457¡­
y¡­8.554.174.054.00544.0054.0024.044.355.87.57¡­
Çë¹Û²ì±íÖÐyÖµËæxÖµ±ä»¯µÄÌص㣬Íê³ÉÒÔϵÄÎÊÌ⣮
£¨1£©º¯ÊýÔÚÇø¼ä£¨0£¬2£©Éϵݼõ£¬º¯ÊýÔÚÇø¼ä______ÉϵÝÔö£»
£¨2£©º¯Êý£¬µ±x=______ʱ£¬y×îС=______£»
£¨3£©º¯Êýʱ£¬ÓÐ×îÖµÂð£¿ÊÇ×î´óÖµ»¹ÊÇ×îСֵ£¿´ËʱxΪºÎÖµ£¿£¨Ö±½Ó»Ø´ð½á¹û£¬²»ÐèÖ¤Ã÷£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸