ijͬѧ×ö¡°²â¶¨Ê¯¿éÃܶȡ±ÊµÑ飬ËûÓÃÈô¸É²ÄÁÏÏàͬ¡¢´óС²»Í¬µÄʯ¿é½øÐвâÁ¿£¬Ï±íÊÇËûÉè¼ÆÓÃÓڼǼʵÑéÊý¾ÝµÄ±í¸ñ£¨Î´È«£©£®¸Ãͬѧ°´ÕýÈ·µÄʵÑé²½Öè¼°²Ù×÷·½·¨½øÐвâÁ¿£¬µ±ËûÑ¡Ôñijʯ¿é²âÁ¿Ê±µÄÊý¾Ý·Ö±ðÈçͼ£¨a£©¡¢£¨b£©Ëùʾ£®Çë¸ù¾ÝʵÑéÒªÇó²¢½áºÏͼÖÐÊý¾Ý£¬½«±íÖеĿÕÏîÌîдÍêÕû£¨Êý¾ÝÖ»ÌîÐòºÅ1£©£®
ʵÑéÐòºÅ ʯ¿éµÄÖÊÁ¿£¨¿Ë£© ʯ¿éµÄÌå»ý£¨ÀåÃ×3£©
ʯ¿éÃܶȣ¨¿Ë/ÀåÃ×3£©
ʯ¿éÃܶȣ¨¿Ë/ÀåÃ×3£©
ƽ¾ùÃܶÈ
ƽ¾ùÃܶÈ
1
27
27
10
10
2.7
2.7
\
2 \ \ \
3 \ \ \
·ÖÎö£º±í¸ñÓ¦°üº¬Ê¯¿éÃܶȣ¬ÊµÑé½áÂÛµÈÀ¸Ä¿£»¸ù¾ÝÌáʾÌìƽ¼°Á¿Í²Ê¾ÊýÇó³öʯ¿éµÄÖÊÁ¿ÓëÌå»ý£¬È»ºóÓÉÃܶȹ«Ê½Çó³öʯ¿éµÄÃܶȣ®
½â´ð£º½â£º²â³öʯ¿éÖÊÁ¿Óëʯ¿éµÄÌå»ýºó£¬Ó¦Çó³öʯ¿éµÄÃܶȣ¬Òò´Ë±í¸ñÖÐÓ¦ÓÐÃܶÈÒ»Ï
²â³öÈý×éʵÑéÊý¾Ý£¬Çó³ö¸÷´Î²âÁ¿µÄÃܶȣ¬È»ºóÇó³öÃܶÈƽ¾ùÖµ£¬Òò´Ë±í¸ñÓ¦ÓУºÆ½¾ùÃܶÈÒ»À¸£®
íÀÂëÖÊÁ¿ÓëÓÎÂëʾÊýÖ®ºÍÊÇʯ¿éµÄÖÊÁ¿£¬ÓÉͼa¿ÉÖª£¬Ê¯¿éµÄÖÊÁ¿m=20g+5g+2g=27g£»
ʯ¿éÓëË®µÄ×ÜÌå»ýÓëË®µÄÌå»ýÖ®²îÊÇʯ¿éµÄÌå»ý£¬¸ù¾Ýͼb¿ÉÖª£¬Ê¯¿éµÄÌå»ýV=40ml-30ml=10ml=10cm3£»
ʯ¿éµÄÃܶȦÑ=
m
V
=
27g
10cm3
=2.7g/cm3£»
¹Ê´ð°¸Îª£ºÈçϱíËùʾ£®  
ʵÑéÐòºÅ ʯ¿éµÄÖÊÁ¿£¨¿Ë£© ʯ¿éµÄÌå»ý£¨ÀåÃ×3£© ʯ¿éÃܶȣ¨¿Ë/ÀåÃ×3£© ƽ¾ùÃܶÈ
1 27 10 2.7 \
2 \ \ \
3 \ \ \
µãÆÀ£º±¾Ì⿼²éÁ˲¹È«ÊµÑé¼Ç¼±í¡¢ÌìƽÓëÁ¿Í²¶ÁÊýÎÊÌ⣬֪µÀʵÑéÔ­Àí¡¢ÐèÒª²âÁ¿µÄÁ¿ÊÇÕýÈ·½âÌâµÄ¹Ø¼ü£¬Ó¦ÕÆÎÕ²ÉÓÃÆ÷²ÄµÄ¶ÁÊý·½·¨£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2011?ãôÑôÏØÄ£Ä⣩»Ø¹Ë̽¾¿ºÍʵÑ飺
£¨1£©ÔÚ×ö¡°ÓÃÌìƽºÍÁ¿Í²²â¶¨¹ÌÌåÃÜ  ¶È¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§²âÁ¿Ê¯¿éµÄÖÊÁ¿Èçͼ¼×Ëùʾ£¬²âÁ¿Ê¯¿éµÄÌå»ýÈçͼÒÒËùʾ£¬Ôòʯ¿éµÄÃܶÈΪ
3.2¡Á103
3.2¡Á103
kg/m3£®
£¨2£©ÔÚ¡°Ñо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓëÄÄЩÒòËØÓйء±µÄʵÑéÖУº
¢ÙÓõ¯»É²âÁ¦¼ÆÀ­×Åľ¿éÔÚˮƽ×ÀÃæÉÏ×öÔÈËÙÖ±ÏßÔ˶¯£»
¸ù¾Ý
¶þÁ¦Æ½ºâ
¶þÁ¦Æ½ºâ
Ìõ¼þ¿ÉÖª£¬Ä¾¿éËùÊÜĦ²ÁÁ¦µÄ´óСµÈÓÚµ¯»É²âÁ¦¼ÆµÄʾÊý£®
¢Ú½«Í¼ÖÐ
aºÍc
aºÍc
ʵÑé½øÐбȽϿÉÖª£¬»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓë½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÓйأ®

£¨3£©ÈçͼÊÇÑо¿¡°Å£¶ÙµÚÒ»¶¨ÂÉ¡±µÄʵÑé×°Öã¬ÈÃͬһСÇò´ÓͬһбÃæÏàͬ¸ß¶ÈÓɾ²Ö¹¹öÏ£¬·¢ÏÖ±íÃæÔ½¹â»¬£¬Ð¡ÇòËٶȼõСµÃÔ½
Âý
Âý
£®½øÒ»²½ÍÆÀíµÃ³ö£¬Ô˶¯µÄÎïÌåÔÚ
²»ÊÜÍâÁ¦
²»ÊÜÍâÁ¦
ʱ£¬½«ÓÀÔ¶×öÔÈËÙÖ±ÏßÔ˶¯£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

»Ø¹Ë̽¾¿ºÍʵÑ飺

£¨1£©ÔÚ×ö¡°ÓÃÌìƽºÍÁ¿Í²²â¶¨¹ÌÌåÃÜ  ¶È¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§²âÁ¿Ê¯¿éµÄÖÊÁ¿Èçͼ¼×Ëùʾ£¬²âÁ¿Ê¯¿éµÄÌå»ýÈçͼÒÒËùʾ£¬Ôòʯ¿éµÄÃܶÈ

Ϊ        kg£¯m3¡£

£¨2£©ÔÚ¡°Ñо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓëÄÄЩÒòËØÓйء±µÄʵÑéÖУº

¢Ù  Óõ¯»É²âÁ¦¼ÆÀ­×Åľ¿éÔÚˮƽ×ÀÃæÉÏ×öÔÈËÙÖ±ÏßÔ˶¯£»

¸ù¾Ý             Ìõ¼þ¿ÉÖª£¬Ä¾¿éËùÊÜĦ²ÁÁ¦µÄ´óСµÈÓÚµ¯»É²âÁ¦¼ÆµÄʾÊý¡£

¢Ú ½«ÏÂͼÖÐ        ÊµÑé½øÐбȽϿÉÖª£¬»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓë½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÓйء£

£¨3£©ÓÒͼÊÇÑо¿¡°Å£¶ÙµÚÒ»¶¨ÂÉ¡±µÄʵÑé×°Öã¬ÈÃͬһСÇò´ÓͬһбÃæÏàͬ¸ß¶ÈÓɾ²Ö¹¹öÏ£¬·¢ÏÖ±íÃæÔ½¹â»¬£¬Ð¡ÇòËٶȼõСµÃÔ½           ¡£½øÒ»²½ÍÆÀíµÃ³ö£¬Ô˶¯µÄÎïÌåÔÚ               Ê±£¬½«ÓÀÔ¶×öÔÈËÙÖ±ÏßÔ˶¯¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

»Ø¹Ë̽¾¿ºÍʵÑ飺
£¨1£©ÔÚ×ö¡°ÓÃÌìƽºÍÁ¿Í²²â¶¨¹ÌÌåÃÜ ¶È¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§²âÁ¿Ê¯¿éµÄÖÊÁ¿Èçͼ¼×Ëùʾ£¬²âÁ¿Ê¯¿éµÄÌå»ýÈçͼÒÒËùʾ£¬Ôòʯ¿éµÄÃܶÈ
Ϊ        kg£¯m3¡£
£¨2£©ÔÚ¡°Ñо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓëÄÄЩÒòËØÓйء±µÄʵÑéÖУº
¢Ù Óõ¯»É²âÁ¦¼ÆÀ­×Åľ¿éÔÚˮƽ×ÀÃæÉÏ×öÔÈËÙÖ±ÏßÔ˶¯£»
¸ù¾Ý             Ìõ¼þ¿ÉÖª£¬Ä¾¿éËùÊÜĦ²ÁÁ¦µÄ´óСµÈÓÚµ¯»É²âÁ¦¼ÆµÄʾÊý¡£
¢Ú ½«ÏÂͼÖР      ÊµÑé½øÐбȽϿÉÖª£¬»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓë½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÓйء£


£¨3£©ÓÒͼÊÇÑо¿¡°Å£¶ÙµÚÒ»¶¨ÂÉ¡±µÄʵÑé×°Öã¬ÈÃͬһСÇò´ÓͬһбÃæÏàͬ¸ß¶ÈÓɾ²Ö¹¹öÏ£¬·¢ÏÖ±íÃæÔ½¹â»¬£¬Ð¡ÇòËٶȼõСµÃÔ½          ¡£½øÒ»²½ÍÆÀíµÃ³ö£¬Ô˶¯µÄÎïÌåÔÚ              Ê±£¬½«ÓÀÔ¶×öÔÈËÙÖ±ÏßÔ˶¯¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2011ÄêãôÑôÏسõÖбÏÒµôßÉýѧ¿¼ÊÔÄ£ÄâÎïÀíÊÔ¾í.doc ÌâÐÍ£ºÊµÑéÌâ

»Ø¹Ë̽¾¿ºÍʵÑ飺
£¨1£©ÔÚ×ö¡°ÓÃÌìƽºÍÁ¿Í²²â¶¨¹ÌÌåÃÜ ¶È¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§²âÁ¿Ê¯¿éµÄÖÊÁ¿Èçͼ¼×Ëùʾ£¬²âÁ¿Ê¯¿éµÄÌå»ýÈçͼÒÒËùʾ£¬Ôòʯ¿éµÄÃܶÈ
Ϊ        kg£¯m3¡£
£¨2£©ÔÚ¡°Ñо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓëÄÄЩÒòËØÓйء±µÄʵÑéÖУº
¢Ù Óõ¯»É²âÁ¦¼ÆÀ­×Åľ¿éÔÚˮƽ×ÀÃæÉÏ×öÔÈËÙÖ±ÏßÔ˶¯£»
¸ù¾Ý             Ìõ¼þ¿ÉÖª£¬Ä¾¿éËùÊÜĦ²ÁÁ¦µÄ´óСµÈÓÚµ¯»É²âÁ¦¼ÆµÄʾÊý¡£
¢Ú ½«ÏÂͼÖР      ÊµÑé½øÐбȽϿÉÖª£¬»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓë½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÓйء£


£¨3£©ÓÒͼÊÇÑо¿¡°Å£¶ÙµÚÒ»¶¨ÂÉ¡±µÄʵÑé×°Öã¬ÈÃͬһСÇò´ÓͬһбÃæÏàͬ¸ß¶ÈÓɾ²Ö¹¹öÏ£¬·¢ÏÖ±íÃæÔ½¹â»¬£¬Ð¡ÇòËٶȼõСµÃÔ½          ¡£½øÒ»²½ÍÆÀíµÃ³ö£¬Ô˶¯µÄÎïÌåÔÚ              Ê±£¬½«ÓÀÔ¶×öÔÈËÙÖ±ÏßÔ˶¯¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2011ÄêãôÑôÏسõÖбÏÒµôßÉýѧ¿¼ÊÔÄ£ÄâÎïÀíÊÔ¾í ÌâÐÍ£ºÊµÑéÌâ

»Ø¹Ë̽¾¿ºÍʵÑ飺

£¨1£©ÔÚ×ö¡°ÓÃÌìƽºÍÁ¿Í²²â¶¨¹ÌÌåÃÜ  ¶È¡±µÄʵÑéʱ£¬Ä³Í¬Ñ§²âÁ¿Ê¯¿éµÄÖÊÁ¿Èçͼ¼×Ëùʾ£¬²âÁ¿Ê¯¿éµÄÌå»ýÈçͼÒÒËùʾ£¬Ôòʯ¿éµÄÃܶÈ

Ϊ         kg£¯m3¡£

£¨2£©ÔÚ¡°Ñо¿»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓëÄÄЩÒòËØÓйء±µÄʵÑéÖУº

¢Ù  Óõ¯»É²âÁ¦¼ÆÀ­×Åľ¿éÔÚˮƽ×ÀÃæÉÏ×öÔÈËÙÖ±ÏßÔ˶¯£»

¸ù¾Ý              Ìõ¼þ¿ÉÖª£¬Ä¾¿éËùÊÜĦ²ÁÁ¦µÄ´óСµÈÓÚµ¯»É²âÁ¦¼ÆµÄʾÊý¡£

¢Ú ½«ÏÂͼÖÐ        ÊµÑé½øÐбȽϿÉÖª£¬»¬¶¯Ä¦²ÁÁ¦µÄ´óСÓë½Ó´¥Ãæ´Ö²Ú³Ì¶ÈÓйء£

£¨3£©ÓÒͼÊÇÑо¿¡°Å£¶ÙµÚÒ»¶¨ÂÉ¡±µÄʵÑé×°Öã¬ÈÃͬһСÇò´ÓͬһбÃæÏàͬ¸ß¶ÈÓɾ²Ö¹¹öÏ£¬·¢ÏÖ±íÃæÔ½¹â»¬£¬Ð¡ÇòËٶȼõСµÃÔ½           ¡£½øÒ»²½ÍÆÀíµÃ³ö£¬Ô˶¯µÄÎïÌåÔÚ               Ê±£¬½«ÓÀÔ¶×öÔÈËÙÖ±ÏßÔ˶¯¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸