ÔÚ¡°²â¶¨ÒºÌåµÄÃܶȡ±µÄÊÔÑéÖУ¬ÌìƽµÄíÀÂëºÐÖÐÅäÖõÄíÀÂëÓÐ100g¡¢50g¡¢20g¡¢10g¡¢5gµÈ£®ÇëÌîдÏÂÁпոñ£º
£¨1£©Ð¡Íõͬѧ½øÐÐÁËÏÂÁÐʵÑé²Ù×÷£º
A¡¢ÓÃÌìƽ²â³öÉÕ±­ºÍÑÎË®µÄ×ÜÖÊÁ¿m1£»
B¡¢½«ÉÕ±­ÖÐÑÎË®µÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·ÖÑÎË®µÄÌå»ýV£»
C¡¢ÓÃÌìƽ²â³öÉÕ±­ºÍÊ£ÓàÑÎË®µÄ×ÜÖÊÁ¿m2£»
ÑÎË®µÄÃܶȦÑ=   
£¨2£©Ð¡Íõ²âÁ¿ÉÕ±­ºÍÑÎË®µÄ×ÜÖÊÁ¿m1ʱ£¬¹À¼ÆÑÎË®ºÍÉÕ±­µÄ×ÜÖÊÁ¿ÔÚ150g×óÓÒ£® ÊÔ¼ÓíÀÂëʱ£¬Ó¦ÓÃÄ÷×Ó¼ÐÈ¡100g¡¢50gíÀÂë¸÷Ò»¸ö·ÅÈëÓÒÅÌÖУ¬ÈôÖ¸ÕëÓÒÆ«£¬ÔòӦȡÏ    gíÀÂ룬ÊÔ¼ÓÉÏÆäËüíÀÂ룬ͬʱµ÷½ÚÓÎÂ룮
£¨3£©ÈçͼËùʾÊÇСÀîͬѧÔÚʵÑé²Ù×÷¹ý³ÌÖеÄÇé¿ö£®ËûµÄ´íÎóÊÇ£º    £®
¡¾´ð°¸¡¿·ÖÎö£º£¨1£©¸ù¾ÝʵÑé²½ÖèÈ·¶¨ÑÎË®µÄÖÊÁ¿ºÍÌå»ý£¬È»ºó¸ù¾Ý¦Ñ=±íʾ³öÑÎË®µÄÃܶȣ»
£¨2£©³ÆÁ¿µÄÔ­ÔòÊÇ×óÎïÓÒÂ룬×óÅÌÀï·ÅÎïÌ壬ÓÒÅÌÀï·ÅíÀÂ룬¼ÓÈ¡íÀÂëʱ´Ó´óµ½Ð¡£¬×îºó»¹ÒªÍ¨¹ýµ÷½ÚÓÎÂ룬ʹÌìƽÖØÐÂƽºâ£®
£¨3£©Ö»ÄÜÔÚµ÷½ÚÌìƽµÄºáÁºÆ½ºâʱ£¬µ÷½ÚÌìƽµÄƽºâÂÝĸ£¬³ÆÁ¿¹ý³ÌÖоø¶Ô²»Äܵ÷½ÚƽºâÂÝĸ£¬Ö»ÄÜͨ¹ý¼Ó¼õíÀÂë»òÒƶ¯ÓÎÂëʹÌìƽÖØÐÂƽºâ£®
½â´ð£º½â£º£¨1£©ÑÎË®µÄÖÊÁ¿Îª£ºm1-m2£»ÑÎË®µÄÌå»ýΪv£»ÔòÑÎË®µÄÃܶȣº¦Ñ=£»
£¨2£©³ÆÁ¿¹ý³ÌÖУ¬ÓÃÄ÷×Ó¼ÓÈ¡íÀÂ룬´Ó´óµ½Ð¡£¬×îºó»¹Òªµ÷½ÚÓÎÂ룮ËùÒÔ£¬Ó¦È¡ÏÂ50gíÀÂ룬ÊÔ¼ÓÉÏÆäËüíÀÂ룬ͬʱµ÷½ÚÓÎÂ룮
£¨3£©Ê¹ÓÃÌìƽ²âÎïÌåÖÊÁ¿Ç°£¬Ó¦µ÷½ÚÌìƽƽºâ£®ÓÉÌâÖÐͼʾ¿ÉÖª£¬Ð¡ÀîµÄ´íÎóÊÇ£º³ÆÁ¿ÎïÌåʱµ÷½ÚƽºâÂÝĸ£®
¹Ê´ð°¸Îª£º£¨1£©£»£¨2£©50£»£¨3£©³ÆÁ¿ÎïÌåʱµ÷½ÚƽºâÂÝĸ£®
µãÆÀ£ºÓÃÌìƽºÍÁ¿Í²À´²âÒºÌåµÄÃܶȣ¬ÊÇʵÑéÊÒÖÐ×î³£Óõķ½·¨£¬ÖصãÓ¦ÕÆÎÕÌìƽµÄµ÷½ÚÓëʹÓ÷½·¨¡¢Á¿Í²µÄ¶ÁÊý¡¢Ãܶȹ«Ê½µÄÔËÓá¢ÊµÑé²½ÖèµÄºÏÀí°²ÅÅÒÔ¼°ÊµÑéÎó²îµÄ·ÖÎöµÈ£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?°²Çì¶þÄ££©ÔÚ¡°²â¶¨ÒºÌåµÄÃܶȡ±µÄÊÔÑéÖУ¬ÌìƽµÄíÀÂëºÐÖÐÅäÖõÄíÀÂëÓÐ100g¡¢50g¡¢20g¡¢10g¡¢5gµÈ£®ÇëÌîдÏÂÁпոñ£º
£¨1£©Ð¡Íõͬѧ½øÐÐÁËÏÂÁÐʵÑé²Ù×÷£º
A¡¢ÓÃÌìƽ²â³öÉÕ±­ºÍÑÎË®µÄ×ÜÖÊÁ¿m1£»
B¡¢½«ÉÕ±­ÖÐÑÎË®µÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·ÖÑÎË®µÄÌå»ýV£»
C¡¢ÓÃÌìƽ²â³öÉÕ±­ºÍÊ£ÓàÑÎË®µÄ×ÜÖÊÁ¿m2£»
ÑÎË®µÄÃܶȦÑ=
m1-m2
v
£®
m1-m2
v
£®

£¨2£©Ð¡Íõ²âÁ¿ÉÕ±­ºÍÑÎË®µÄ×ÜÖÊÁ¿m1ʱ£¬¹À¼ÆÑÎË®ºÍÉÕ±­µÄ×ÜÖÊÁ¿ÔÚ150g×óÓÒ£® ÊÔ¼ÓíÀÂëʱ£¬Ó¦ÓÃÄ÷×Ó¼ÐÈ¡100g¡¢50gíÀÂë¸÷Ò»¸ö·ÅÈëÓÒÅÌÖУ¬ÈôÖ¸ÕëÓÒÆ«£¬ÔòӦȡÏÂ
50
50
gíÀÂ룬ÊÔ¼ÓÉÏÆäËüíÀÂ룬ͬʱµ÷½ÚÓÎÂ룮
£¨3£©ÈçͼËùʾÊÇСÀîͬѧÔÚʵÑé²Ù×÷¹ý³ÌÖеÄÇé¿ö£®ËûµÄ´íÎóÊÇ£º
³ÆÁ¿ÎïÌåʱµ÷½ÚƽºâÂÝĸ
³ÆÁ¿ÎïÌåʱµ÷½ÚƽºâÂÝĸ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2009?¾²°²Çøһģ£©ÔÚ¡°²â¶¨ÒºÌåµÄÃܶȡ±ÊµÑéÖУ¬ÓÃÌìƽ²âÁ¿ÒºÌåµÄÖÊÁ¿Ê±£¬íÀÂëÓ¦¸Ã·ÅÖÃÔÚÌìƽµÄ
ÓÒ
ÓÒ
ÅÌ£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Èô¼Ó¼õíÀÂëÌìƽÈÔ²»ÄÜƽºâ£¬ÔòÓ¦¸ÃÒƶ¯
ÓÎÂë
ÓÎÂë
ʹÌìƽƽºâ£®ÒºÌåµÄÌå»ý¿ÉÒÔÓÃ
Á¿Í²
Á¿Í²
½øÐвâÁ¿£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÌî¿ÕÌâ

ÔÚ¡°²â¶¨ÒºÌåµÄÃܶȡ±ÊµÑéÖУ¬ÓÃÌìƽ²âÁ¿ÒºÌåµÄÖÊÁ¿Ê±£¬íÀÂëÓ¦¸Ã·ÅÖÃÔÚÌìƽµÄ________ÅÌ£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£¬Èô¼Ó¼õíÀÂëÌìƽÈÔ²»ÄÜƽºâ£¬ÔòÓ¦¸ÃÒƶ¯________ʹÌìƽƽºâ£®ÒºÌåµÄÌå»ý¿ÉÒÔÓÃ________½øÐвâÁ¿£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡°²â¶¨ÒºÌåµÄÃܶȡ±µÄʵÑéÖУ¬ÌìƽµÄíÀÂëºÐÖÐÅ䱸µÄíÀÂëÓÐ100g¡¢50g¡¢20g¡¢10g¡¢5gµÈ¡£

ÇëÌîдÏÂÁпոñ£º

£¨1£©Ð¡Íõͬѧ½øÐÐÁËÏÂÁÐʵÑé²Ù×÷£º

A£®ÓÃÌìƽ²â³öÉÕ±­ºÍÑÎË®µÄ×ÜÖÊÁ¿ml£»

B£®½«ÉÕ±­ÖÐÑÎË®µÄÒ»²¿·Öµ¹ÈëÁ¿Í²£¬²â³öÕⲿ·ÖÑÎË®µÄÌå»ýV£»

C£®ÓÃÌìƽ²â³öÉÕ±­ºÍÊ£ÓàÑÎË®µÄ×ÜÖÊÁ¿m2£»

ÑÎË®µÄÃܶȦÑ= ________________

(2)СÍõ²âÁ¿ÉÕ±­ºÍÑÎË®µÄ×ÜÖÊÁ¿mlʱ£¬¹À¼ÆÑÎË®ºÍÉÕ±­µÄ×ÜÖÊÁ¿ÔÚ150g×óÓÒ¡£

ÊÔ¼ÓíÀÂëʱ£¬Ó¦ÓÃÄ÷×Ó¼ÐÈ¡100g¡¢50gíÀÂë¸÷1¸ö·ÅÈëÓÒÅÌÖУ¬ÈôÖ¸ÕëÓÒÆ«£¬ÔòӦȡÏÂ______gíÀÂ룬ÊÔ¼ÓÉÏÆäËüíÀÂ룬ͬʱµ÷½ÚÓÎÂë¡£

(3)ÈçͼËùʾÊÇСÀîͬѧÔÚʵÑé²Ù×÷¹ý³ÌÖеÄÇé¿ö¡£ËûµÄ´íÎóÊÇ£º___________________________________¡£

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸