皮亚杰认为前运算阶段对应的年龄是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28330' and id < 2318030 and id<>'2318030' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28330' and id > 2318030 and id<>'2318030' order by id asc limit 5