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SELECT a.*, count(b.id) as num FROM `tcyun_exam` `a` INNER JOIN `tcyun_exam_question` `b` ON `a`.`id`=`b`.`examid` WHERE `a`.`id` = 'in' AND `a`.`cate` = '3' GROUP BY `b`.`examid`【纯题库】有机产品认证基础答案解析_【纯题库】有机产品认证基础在线题库_审核员考试资料网

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