平面上有 个圆,其中每两个都相交于两点,每三个都无公共点,它们将平面分成 块区域,有 ,则 (   )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19770' and id < 1714003 and id<>'1714003' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='19770' and id > 1714003 and id<>'1714003' order by id asc limit 5