ӯ
һIIʡ
II=II/II?#215;100
۾=/×100%
ë=-۳/×100%
II=/IIվ×100%
II=II/II?#215;100%
=ܶ/ܶ×100%
P49912-32003ȡ
Ŀ |
|
|
һII II II II јI II
II Ͷ II II֧ ġ ܶ 40% |
18000 10700 1080 6220 600 1620 800 200 4200 300 100 600 4000 1600 |
20000 12200 1200 6600 1000 1900 1000 300 4400 300 150 650 4200 1680 |
?/DIV> |
2400 |
2520 |
ӯϱӯϱ=I/
һfIa0rӯϱ1ָԽIIľփe?BR>P517 [12-16] ӯϱ
ģʲ
ʲ=Ϣǰ/ƽʲܶ
ƽʲܶ=ʲܶ+ĩʲܶ?2
壩?BR> ʲ=/ƽʲ×100
=/ƽ
ƽʲ=ʲ+ĩʲ/2
=+ĩ?2
עʲ=ʲ-=
rֵֵ
ӳIrIŬµҔ״䓸ꡣ
rֵֵ=۳Gĩ/×100
P521 [12-19] rֵֵʷ
]ÿ
1 ȹĩͨ?/DIV>
}ÿ=/ĩͨ
2 ȹĸƽ?/DIV>
}ÿ=II×ʲD××ƽÿhʲ
3ȹĩͨ?/DIV>
}ÿ=-ȹ/ĩͨ
4ȹĸݚƽ
}ÿ=-ȹ/ͨƽ
ˣÿ
ÿ=ͨܶ/ĩͨ
ţӯ ӯ=ͨÿм/ͨÿ
һfӯʸ]fͶ߶Ըù˾ķչǰãԸߵļ۸ù˾ƱһЩɳԽrõĸƼ˾ƱӯͨҪһЩҲע⣬GMӯʑT҅M^ߵͶʷ?
ʮÿhʲ
ͨTȡÿ=-ȹ/ĩͨ
ÿ=ͨܶ/ĩͨ
ÿhʲ=ĩɶ/ĩͨ
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