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ʲDʣ
2003ʲD
=II?#247;ƽʲܶ
=28000÷[(28000+30000)÷2]=28000÷29000=0.97
2004ʲD
=II?#247;ƽʲܶ=30000÷32500=0.92

2003
=ƽʲܶ÷ƽ
= [(28000+30000)÷2]÷[(19500+22000)÷2]=29000÷20750=1.4
2004
=ƽʲܶ÷ƽ=32500÷23500=1.38
ƽÿhʲ
2003ƽÿhʲ
=ƽ÷ͨƽ=20750÷18000=1.15
2004ƽÿhʲ
=ƽ÷ͨƽ=23500÷18000=1.31
ÿ?BR>2003ÿ
=÷ͨƽ=3600÷18000=0.2
2004ÿ
=÷ͨƽ=3780÷18000=0.21
ӯʡ
2003ӯ
=ÿм÷ÿ=4.8÷0.2=24
2004ӯ
=ÿм÷ÿ=4.8÷0.21=22.86
2IIʡʲDʡ ƽÿhʲضÿָӰ?BR>:
2003ָ:12.86%×0.97×1.4×1.15=0.2
һ:12.6%×0.97×1.4×1.15=0.197
Ԝ:12.6%×0.92×1.4×1.15=0.187
:12.6%×0.92×1.38×1.15=0.184
Ĵ:12.6%×0.92×1.38×1.31=0.21
-=0.197-0.2=-0.003IIӰ
-=0.187-0.197=-0.01ʲDӰ
-=0.184-0.187=-0.003Ӱ
- =0.21-0.184=0.026 ƽÿhʲӰ

ֶַ
һۺϵķ
12-15
һָ

2fϢ
ӯָ
1.ʲ
2.ʲ

1.ʲD
2.ʲD
ġչָ
1.PII
2.r
ϼ
20
12
8
38
25
13
18
9
9
24
12
12
100
12-16
ֵ
һָ

2fϢ
ӯָ
1.ʲ
2.ʲ

1.ʲD
2.ʲD
ġչָ
1.PII
2.r
ϼ
60%
3

25%
16%

2
5

10%
15%
12-17
آ
ָ\ֵ
ֵָ
÷Y=×÷
һָ

2fϢ
ӯָ
1.ʲ
2.ʲ

1.ʲD
2.ʲD
ġչָ
1.PII
2.r
ϼ
20
12
8
38
25
13
18
9
9
24
12
12
100

60%
3

25%
16%

2
5

10%
15%

28.26%
15

16.21%
20.93%

0.93
2.64

11.11%

13.01%

5.65
40

16.21
17.00

4.19
4.75

13.33

10.41
111.54
ָĵ÷=ָ×ֵָ/ֵ
ۺϵ÷=Ƹָĵ÷