ӯָ:Ͷע˽жǹؼ__Ѷ

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ѶƱҴϵءǡ̬Ԥⷽ(1)ָ()ǡ̬Ԥⷽ(2)ӯָ
ڶ ӯָ
ӯָָǽڶԴͶעĻ׼ϣԲʹ˾ӯģʽзġӯָڿָԲʹ˾ӯķΪֱӣӯָḶ́ʵDzʹ˾ijɱḶ́Դ㲩ʹ˾ӯ׼ȷȻҪһ䲻֮ڣӯָԲʹ˾̽׶νΪؼԺеԤǷȱˣӯָ뿭ָõķԤЧŸдٽá
һӯҪ
òΪʤƽĴͶעҪӯָļ㹫ʽ
ӯָ㹫ʽ
ӯָļ㹫ʽʵϾǴʹ˾вģ͵Ŀ幫ʽ£
ijӯָ=90-ijĿͶעijŷ
(΢ ) 0-1ΪʤΪ1.25ʤĿͶעΪ80%豾Ͷע100ԪôóӯָΪ90-80%1.25100=-10ʽе90Ϊʹ˾ƽʣԷ֣ÿע100Ԫʹ˾⸶80%1.25100Ԫ=100ԪӯָΪ90-100=-10Ҳ˵ʹ˾ⳡÿע100Ԫ10ԪĿȻDzʹ˾ԸܵĽ
پٸӣ201045ֶ˹4-0Һķıʤ1.82ٷͶע52%ƽ90%Ϊÿע100Ԫݹʽó90-52%1.83100=-98.16ݼÿע100Ԫʹ˾֧52%1.83100=95.16ԪӯָΪ90-95.16=-5.16Ԫôֶ˹ʤʹ˾ÿע100ԪҪʧ5.16Ԫ
˵ǾҪһܹؼˡͨ㣬ͨӯ㣬¼Ԥֵƫһһ·ׯҶҪ־޶