通过教育,使学生掌握心算、书写等技能，这属于（ ）的任务。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32109' and id < 2562322 and id<>'2562322' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32109' and id > 2562322 and id<>'2562322' order by id asc limit 5