题目内容
称量时的读数为0.0520g，其有效数字的位数为
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SQL Error: select id,body,options from ***_enewstiku where sourceid='26080' and id < 2186291 and id<>'2186291' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26080' and id > 2186291 and id<>'2186291' order by id asc limit 5