ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÁÙÒÊijÖÐѧ°ËÄ꼶µØÀíÐËȤС×飬ÔÚ¡°ÎåÒ»¡±ÆÚ¼ä¶ÔA ɽ½øÐÐÁËʵµØ¿¼²ì¡£½áºÏA ɽ
ËùÔÚÇøÓòµÄµÈ¸ßÏßµØÐÎͼ,»Ø´ðÏÂÁÐÎÊÌâ¡£
£¨1£©ÔڵȸßÏßµØÐÎͼÉÏ,ABÁ½É½¶¥¾ù±êÓÐÊý×Ö440(*).480(Ã×)£¬ÕâÁ½¸öÊý×ÖÖ¸µÄÊÇ_________(º£°Î»òÏà¶Ô¸ß¶È)¡£
(2)µÇɽ·Ï߹滮ÓТ١¢¢ÚÁ½Ìõ,Ϊ°²È«Æð¼û£¬ÐËȤС×éÑ¡ÔñÁË¢Ù·Ïߣ¬Çë½âÊÍÀíÓÉ¡£
(3)ÐËȤС×é²âÁ¿³ö¼×´åµ½µÇɽ·ÏߢٵÄͼÉϾàÀëΪ2ÀåÃ×£¬ÔòʵµØ¾àÀëÊÇ_____ǧÃ×
(4)µÇÉÏAɽɽ¶¥ºó,ÐËȤС×é·¢ÏÖBɽÔÚËûÃǵÄ_______·½Ïò¡£
¡¾´ð°¸¡¿(1)º£°Î
(2)¢Ù·ÏߵȸßÏßÏ¡Ê裬ƶȻº£¬µÇɽÏà¶ÔÈÝÒ×°²È«¡£
(3)2
(4)Î÷ÄÏ
¡¾½âÎö¡¿ÕûÌå·ÖÎö£º¸ÃÌâÒÔ¶ÁµÈ¸ßÏßµØÐÎͼΪÇÐÈëµã£¬¿¼²éµÄÊǵȸßÏßµØÐÎͼµÄÅжÁ£¬ÒªÇóѧÉú¾ßÓнÏÇ¿¶Áͼ·ÖÎöÄÜÁ¦ºÍÀí½âÄÜÁ¦¡£
£¨1£©¶Áͼ¿ÉÖª£¬ÔڵȸßÏßµØÐÎͼÉÏ,ABÁ½É½¶¥¾ù±êÓÐÊý×Ö440(*).480(Ã×)£¬ÕâÁ½¸öÊý×ÖÖ¸µÄÊǺ£°Î¡£
£¨2£©µÇɽ·Ï߹滮ÓТ١¢¢ÚÁ½Ìõ,Ϊ°²È«Æð¼û£¬ÐËȤС×éÑ¡ÔñÁË¢Ù·Ïߣ¬ÀíÓÉ£º¶Áͼ¿ÉÖª£¬¢Ù·ÏߵȸßÏßÏ¡Ê裬ƶȻº£¬µÇɽÏà¶ÔÈÝÒ×°²È«¡£
£¨3£©ÐËȤС×é²âÁ¿³ö¼×´åµ½µÇɽ·ÏߢٵÄͼÉϾàÀëΪ2ÀåÃ×£¬ÔòʵµØ¾àÀëÊÇͼÉϾàÀë³ýÒÔ±ÈÀý³ß=2¡Â1/100000=2ǧÃס£
£¨4£©¸Ãͼ¸ù¾ÝÒ»°ãµÄ·½·¨½øÐÐÅжϣ¬µÇÉÏAɽɽ¶¥ºó,ÐËȤС×é·¢ÏÖBɽÔÚËûÃǵÄÎ÷ÄÏ·½Ïò¡£