ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬ÐéÏß¿òÄÚÓÐÔÈÇ¿µç³¡£¬A¡¢B
¡¢C
ÊǸõ糡µÄÈý¸öµÈÊÆÃ棬ÏàÁÚµÈÊÆÃæ¼äµÄ¾àÀëΪ0.5 cm£¬ÆäÖÐB
ΪÁãÊÆÃ森һ¸öÖÊÁ¿Îªm£¬µçÁ¿ÎªqµÄÁ£×ÓÑØA
·½ÏòÒÔ³õ¶¯ÄÜEK×ÔͼÖеÄpµã½øÈëµç³¡£¬¸ÕºÃ´Ó
µãÀ뿪µç³¡£®ÒÑÖªP
£½2 cm£¬Á£×ÓµÄÖØÁ¦ºöÂÔ²»¼Æ£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
[¡¡¡¡]
A£®
¸ÃÁ£×Óͨ¹ýÁãÊÆÃæʱµÄ¶¯ÄÜÊÇ1.25EK
B£®
¸ÃÁ£×ÓÔÚpµãµÄµçÊÆÄÜÊÇ0.5EK
C£®
¸ÃÁ£×Ó´ïµ½µãʱµÄ¶¯ÄÜÊÇ2EK
D£®
¸ÃÁ£×Ó´ïµ½µãʱµÄµçÊÆÄÜÊÇ0.5EK
´ð°¸£ºB

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

A¡¢¦µ1£¾¦µ2 | B¡¢¦µ1£¼¦µ2 | C¡¢¦µ1=¦µ2 | D¡¢ÎÞ·¨È·¶¨ |

A¡¢¦µA£¾¦µB | B¡¢¦µA£¼¦µB | C¡¢¦µA=¦µB | D¡¢ÎÞ·¨È·¶¨ |