<br />计算结果如下表(其中<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/ef9607b2-8523-4776-a61f-167df60ef284.jpg" width="47" height="38" />):<br /><span style='text-align:center;display:block'><img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/8eb8757a-17b5-4403-8673-9b72d8cc5bba.jpg" width="479" height="116" /></span><br />拉氏物量指数即产量总指数=<img src="http://admintk.100xuexi.com/UpLoadImage/2013-05-07/bd6ba12b-11e9-4ec4-b11d-48c3eba816a6.jpg" width="252" height="49" />,表明报告期与基期相比,两种产品的产量综合减少了3.99%。<br />若以基期价格为准,因产量变动而减少的产值:940-902.5=37.5(万元)。