ÌâÄ¿ÄÚÈÝ
ÓÐÈËÉè¼ÆÁËÒ»ÖÖ²âÎÂ×°Öã¬Æä½á¹¹ÈçͼËùʾ£®²£Á§ÅÝAÄÚ·âÓÐÒ»¶¨Á¿ÆøÌ壬ÓëAÏàÁ¬µÄB¹Ü²åÔÚË®Òø²ÛÖУ¬¹ÜÄÚË®ÒøÃæµÄ¸ß¶Èx¼´¿É·´Ó³ÅÝÄÚÆøÌåµÄζȣ¬¼´»·¾³Î¶ȣ¬²¢¿ÉÓÉB¹ÜÉϵĿ̶ÈÖ±½Ó¶Á³ö£®ÉèB¹ÜµÄÌå»ýÓëAÅݵÄÌå»ýÏà±È¿ÉÂÔÈ¥²»¼Æ£®
£¨1£©ÔÚ±ê×¼´óÆøѹ϶ÔB¹Ü½øÐÐζȿ̶ȣ¨±ê×¼´óÆøѹÏ൱ÓÚ76cmË®ÒøÖùµÄѹǿ£©£®ÒÑÖªµ±Î¶Èt1£½27¡æµÄ¿Ì¶ÈÏߣ®¹ÜÄÚË®ÒøÃæ¸ß¶Èx1=16cm£®ÎÊt=0¡æµÄ¿Ì¶ÈÏßÔÚxΪ¶àÉÙÀåÃ×´¦£¿
£¨2£©Èô´óÆøѹÒѱäΪÏ൱ÓÚ75cmË®ÒøÖùµÄѹǿ£¬ÀûÓøòâÎÂ×°ÖòâÁ¿Î¶ÈʱËùµÃ¶ÁÊýÈÔΪ27¡æ£¬ÎÊ´Ëʱʵ¼ÊζÈΪ¶àÉÙ£¿
£¨1£©£¨2£©¡æ
½âÎö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿