210个边长为1 cm的小正方体组成的长 方体，其表面积最小为多少？

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='31554' and id < 2528047 and id<>'2528047' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31554' and id > 2528047 and id<>'2528047' order by id asc limit 5