幼儿知道了 5 + 2 = 7,不经过学习就不能导出7 — 5 = 2,说明他们的思维是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30559' and id < 2466500 and id<>'2466500' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30559' and id > 2466500 and id<>'2466500' order by id asc limit 5