ÌâÄ¿ÄÚÈÝ
ͼÖÐΪ¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑé×°ÖÃʾÒâͼ¡£Å̺ÍÖØÎïµÄ×ÜÖÊÁ¿Îªm£¬Ð¡³µºÍíÀÂëµÄ×ÜÖÊÁ¿ÎªM¡£ÊµÑéÖÐÓÃÅ̺ÍÖØÎï×ÜÖØÁ¦µÄ´óС×÷ΪϸÏ߶ÔС³µÀÁ¦µÄ´óС¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046064754646.jpg)
¢ÙʵÑéÖУ¬ÎªÁËʹϸÏ߶ÔС³µµÄÀÁ¦µÈÓÚС³µËùÊܵĺÏÍâÁ¦£¬Ïȵ÷½Ú³¤Ä¾°åÒ»¶Ë¶¨»¬Âֵĸ߶ȣ¬Ê¹Ï¸ÏßÓ볤ľ°åƽÐС£½ÓÏÂÀ´»¹ÐèÒª½øÐеÄÒ»Ïî²Ù×÷ÊÇ £¨ÌîдËùÑ¡Ñ¡ÏîµÄÐòºÅ£©¡£
A£®½«³¤Ä¾°åˮƽ·ÅÖã¬ÈÃС³µÁ¬×ÅÒѾ´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø£¬¸ø´òµã¼ÆʱÆ÷ͨµç£¬µ÷½ÚmµÄ´óС£¬Ê¹Ð¡³µÔÚÅ̺ÍÖØÎïµÄÇ£ÒýÏÂÔ˶¯£¬´Ó´ò³öµÄÖ½´øÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯¡£
B£®½«³¤Ä¾°åµÄÓҶ˵æÆðÊʵ±µÄ¸ß¶È£¬ÈÃС³µÁ¬×ÅÒѾ´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø£¬³·È¥Å̺ÍÖØÎ¸ø´òµã¼ÆʱÆ÷ͨµç£¬ÇáÍÆС³µ£¬´Ó´ò³öµÄÖ½´øÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯¡£
C£®½«³¤Ä¾°åµÄÓҶ˵æÆðÊʵ±µÄ¸ß¶È£¬³·È¥Ö½´øÒÔ¼°Å̺ÍÖØÎÇáÍÆС³µ£¬¹Û²ìÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯¡£
¢ÚʵÑéÖÐÒª½øÐÐÖÊÁ¿mºÍMµÄÑ¡È¡£¬ÒÔÏÂ×îºÏÀíµÄÒ»×éÊÇ ¡£
A£®M=20g£¬m=10g¡¢15g¡¢20g¡¢25g¡¢30g¡¢40g
B£®M=200g£¬m=20g¡¢40g¡¢60g¡¢80g¡¢100g¡¢120g
C£®M=400g£¬m =10g¡¢15g¡¢20g¡¢25g¡¢30g¡¢40g
D£®M=400g£¬m ="20" g¡¢40g¡¢60g¡¢80g¡¢100g¡¢120g
¢ÛͼÖÐÊÇʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GΪ7¸öÏàÁڵļÆÊýµã£¬Á¿³öÏàÁڵļÆÊýµãÖ®¼äµÄ¾àÀë·Ö±ðΪx1¡¢x2¡¢x3¡¢x4¡¢x5¡¢x6¡£ÒÑÖªÏàÁڵļÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪT£¬¹ØÓÚС³µµÄ¼ÓËÙ¶ÈaµÄ¼ÆËã·½·¨£¬²úÉúÎó²î½ÏСµÄËã·¨ÊÇ¡¡¡¡¡¡¡¡¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046065066473.jpg)
A£®![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606522577.png)
B£®![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046065381596.png)
C£®![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606569615.png)
D£®![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046066311195.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046064754646.jpg)
¢ÙʵÑéÖУ¬ÎªÁËʹϸÏ߶ÔС³µµÄÀÁ¦µÈÓÚС³µËùÊܵĺÏÍâÁ¦£¬Ïȵ÷½Ú³¤Ä¾°åÒ»¶Ë¶¨»¬Âֵĸ߶ȣ¬Ê¹Ï¸ÏßÓ볤ľ°åƽÐС£½ÓÏÂÀ´»¹ÐèÒª½øÐеÄÒ»Ïî²Ù×÷ÊÇ £¨ÌîдËùÑ¡Ñ¡ÏîµÄÐòºÅ£©¡£
A£®½«³¤Ä¾°åˮƽ·ÅÖã¬ÈÃС³µÁ¬×ÅÒѾ´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø£¬¸ø´òµã¼ÆʱÆ÷ͨµç£¬µ÷½ÚmµÄ´óС£¬Ê¹Ð¡³µÔÚÅ̺ÍÖØÎïµÄÇ£ÒýÏÂÔ˶¯£¬´Ó´ò³öµÄÖ½´øÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯¡£
B£®½«³¤Ä¾°åµÄÓҶ˵æÆðÊʵ±µÄ¸ß¶È£¬ÈÃС³µÁ¬×ÅÒѾ´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø£¬³·È¥Å̺ÍÖØÎ¸ø´òµã¼ÆʱÆ÷ͨµç£¬ÇáÍÆС³µ£¬´Ó´ò³öµÄÖ½´øÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯¡£
C£®½«³¤Ä¾°åµÄÓҶ˵æÆðÊʵ±µÄ¸ß¶È£¬³·È¥Ö½´øÒÔ¼°Å̺ÍÖØÎÇáÍÆС³µ£¬¹Û²ìÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯¡£
¢ÚʵÑéÖÐÒª½øÐÐÖÊÁ¿mºÍMµÄÑ¡È¡£¬ÒÔÏÂ×îºÏÀíµÄÒ»×éÊÇ ¡£
A£®M=20g£¬m=10g¡¢15g¡¢20g¡¢25g¡¢30g¡¢40g
B£®M=200g£¬m=20g¡¢40g¡¢60g¡¢80g¡¢100g¡¢120g
C£®M=400g£¬m =10g¡¢15g¡¢20g¡¢25g¡¢30g¡¢40g
D£®M=400g£¬m ="20" g¡¢40g¡¢60g¡¢80g¡¢100g¡¢120g
¢ÛͼÖÐÊÇʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬A¡¢B¡¢C¡¢D¡¢E¡¢F¡¢GΪ7¸öÏàÁڵļÆÊýµã£¬Á¿³öÏàÁڵļÆÊýµãÖ®¼äµÄ¾àÀë·Ö±ðΪx1¡¢x2¡¢x3¡¢x4¡¢x5¡¢x6¡£ÒÑÖªÏàÁڵļÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪT£¬¹ØÓÚС³µµÄ¼ÓËÙ¶ÈaµÄ¼ÆËã·½·¨£¬²úÉúÎó²î½ÏСµÄËã·¨ÊÇ¡¡¡¡¡¡¡¡¡£
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046065066473.jpg)
A£®
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606522577.png)
B£®
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046065381596.png)
C£®
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606569615.png)
D£®
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046066311195.png)
¢ÙB ¢ÚC ¢ÛD
ÊÔÌâ·ÖÎö£º¢ÙƽºâĦ²ÁÁ¦¼ÈҪƽºâÖ½´øºÍ´òµã¼ÆʱÆ÷Ö®¼äµÄĦ²Á£¬»¹ÓÐƽºâС³µºÍľ°åÖ®¼äµÄĦ²Á£¬ËùÒÔƽºâĦ²ÁÁ¦Ê±Ò»¶¨ÒªÁ¬ÉÏÖ½´ø£¬ÔÚûÓÐÀÁ¦×÷ÓÃÏÂÈôÄÜÔÈËÙÖ±ÏßÔ˶¯£¬ËµÃ÷Ħ²ÁÁ¦ÒѾƽºâ£¬Òª±£Ö¤Ã»ÓÐÀÁ¦£¬¾ÍҪȥ³ýÅ̺ÍÖØÎï¡£¢ÚʵÑéÉè¼ÆÖÐÒÔíÀÂëºÍÅ̵ÄÖØÁ¦×÷ΪС³µºÏÁ¦£¬ÊÂʵÉÏ£¬Ð¡³µºÍíÀÂëÅÌÒ»ÆðÔ˶¯£¬¼ÓËÙ¶È
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606647767.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046066781227.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606678543.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606678543.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606709572.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606725649.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606756655.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/20140825004606772661.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140825/201408250046067871224.png)
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿