ÌâÄ¿ÄÚÈÝ

ij¹ÉÃñÉÏÐÇÆÚÎåÂò½øÄ³¹«Ë¾¹ÉƱ1000¹É£¬Ã¿¹É20Ôª£¬Ï±íΪ±¾ÖÜÄÚÿÈÕ¸Ã¹ÉÆ±µÄÕǵøÇé¿ö(¡°+¡±ºÅ±íʾÓëǰһÌìÏà±ÈÕÇ£¬¡°Ò»¡±ºÅ±íʾÓëǰһÌìÏà±Èµø)£®

ÐÇÆÚ
Ò»
¶þ
Èý
ËÄ
Îå
ÿ¹ÉÕǵø£¨Ôª£©
+1.2
+0.4
£­1
£­0.5
+0.9
(1)ÐÇÆÚÈýÊÕÅÌʱ£¬Ã¿¹ÉÊǶàÉÙÔª?
(2)±¾ÖÜÄÚ×î¸ßÊÕÅ̼ÛÊÇÿ¹É¶àÉÙÔª? ÊÕÅ̼Û×îµÍÊÇÿ¹É¶àÉÙÔª?
(3)ÒÑÖª´Ë¹ÉÃñÂò½øºÍÂô³ö¹ÉƱʱ¶¼Òª¸¶0£®15£¥µÄÊÖÐø·ÑºÍÂô³öʱ0£®1£¥µÄ½»Ò×˰£¬Èç¹ûËûÔÚÐÇÆÚÎåÒÔÊÕÅ̼۽«¹ÉƱȫ²¿Âô³ö£¬ËûµÄÊÕÒæÇé¿öÈçºÎ?

£¨1£©ÖÜÈýÊÕÅÌʱ£¬¹É¼ÛΪ 20.6Ôª £»
£¨2£©×î¸ß21.6Ôª£»×îµÍ20.1Ôª£»
£¨3£©917.5Ôª¡£

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø