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='32260' and id < 2568603 and id<>'2568603' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32260' and id > 2568603 and id<>'2568603' order by id asc limit 5