一元二次不等式ax2+bx+1＞0的解集是(-，)，则a+b的值是（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15528' and id < 2627617 and id<>'2627617' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15528' and id > 2627617 and id<>'2627617' order by id asc limit 5