ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÏÂÁÐA¡¢B¡¢C¡¢DËÄ·ùͼÊÇ¡°ÑéÖ¤°¢»ùÃ×µÂÔÀí¡±µÄ¹ý³ÌÇé¾°£¬Çë¸ù¾ÝͼʾÍê³ÉÏÂÃæµÄÌî¿Õ¡£
(1)ʵÑéÖеÄËùÓÃÔ²ÖùÌåµÄÖØÁ¦Îª______N¡£
(2)ÔÚÇ龰ͼBÖдæÔڵĴíÎóÊÇ______
(3)¾ÀÕý´íÎóºó£¬¼ÌÐøʵÑ飬ÔÚÇé¾°CÖУ¬Ô²ÖùÊܵ½µÄÁ¦F=______N
(4)Ô²ÖùÌåÅÅ¿ªµÄË®ËùÊܵÄÖØÁ¦GÅÅ=______N¡£
(5)ʵÑé½á¹û±íÃ÷£º½þÔÚË®ÖеÄÎïÌåÊܵ½µÄÁ¦______ÎïÌåÅÅ¿ªË®ËùÊܵ½µÄÖØÁ¦¡£(Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±)
¡¾´ð°¸¡¿4 ÒçË®±Ã»ÓÐ×¢ÂúË® 1 1 µÈÓÚ
¡¾½âÎö¡¿
(1) [1]ÓÉͼB¿ÉÖª£¬ÊµÑéÖеÄËùÓÃÔ²ÖùÌåµÄÖØÁ¦Îª4N£»
(2)[2]Ô²ÖùÌå·ÅÈëË®ÖÐÇ°£¬ÒçË®±ÖеÄˮӦ¸ÃÂúµÄ£¬·ñÔòÒç³öË®µÄÌå»ý½«Ð¡ÓÚÎïÌåÅÅ¿ªË®µÄÌå»ý£¬ËùÒÔ£¬ÔÚÇ龰ͼBÖдæÔڵĴíÎóÊÇÒçË®±Î´×¢ÂúË®£¬Ó¦¸ÄΪÔÚÒçË®±ÖÐ×°ÂúË®£»
(3)[3]ÓÉͼC¿ÉÖª£¬Ô²ÖùÌå½þûÔÚË®ÖÐʱ£¬µ¯»É²âÁ¦¼ÆµÄʾÊýF=3N£¬
ÔòÔ²ÖùÊܵ½µÄ¸¡Á¦£º
F¸¡=GF=4N3N=1N£»
(4)[4]ÓÉͼD¿ÉÖª£¬Ð¡Í°ºÍË®µÄ×ÜÖØÁ¦G×Ü=1.9N£ºÓÉͼA¿ÉÖª£¬¿ÕСͰµÄÖØÁ¦GÍ°=0.9N£¬
ÔòÔ²ÖùÌåÅÅ¿ªË®ËùÊܵÄÖØÁ¦£º
GÅÅ=G×ÜGÍ°=1.9N0.9N=1N£»
(5)[5]ÓÉ(3)(4)¿ÉÖª£¬½þÔÚË®ÖеÄÎïÌåÊܵ½µÄ¸¡Á¦µÈÓÚÎïÌåÅÅ¿ªË®ËùÊܵ½µÄÖØÁ¦¡£