籣UM?籣UMHͨՁfһİIܶHRڹҲ¶soһ!
cM롷Ӌ
籣UMӋ㷽ʽ
籣UMҎt
1φT¾Y;
2T¹Y
ע籣Yڻ錏ӋrLU
҇UЌٵػؿɸ،HrƶkĿǰȫص籣UMkȫһͨλU{UMĻԭtһȱƽYAڮƽY60%?300%ķMк˶
һrUUM˶ʽ
U=
(ƽY)
U=ƽY
U=
(ƽY)
UUMͨ걾ƽY300%ͨ걾ƽY60%
e
ij걾ƽY3000ԪFмҡ˵ƽYքe1500Ԫ5000Ԫ10000Ԫt˱ȵUUM˶^£
ȱƽYӋóUUMޞ9000Ԫ(=3000300%)ޞ1800Ԫ(=300060%)
ף1500<(300060%)ڼĂ¾Yޣt˶;
ң5000λ18009000Ԫ֮gtH¾Y˶;
10000>(3000300%)ڼĂ¾Yޣt˶;
ұ˱ȵUUMքe1800Ԫ5000Ԫ9000Ԫ
籣UM
ʲô籣UM
ԱȹY뿂~ƽ鱾UMУMλˆTнµ¹YUM;λԱλȫUM֮λUM
ʲôȹY뿂~
ȹY뿂~ָһ111231ȃȡõȫ؛룬ӋrYӋYNaNӰcYr֧ĹY
ע
ᘌˆλYlʽĶNڴ_UMrעׂ棺
(1)λԬFyдʽ֧o˵ĽͨaN˽܇aNԒaNaN^MԼ֧ߜ߿жк⍏λĽN{UM
(2)λ鲻ݼٵlŵĬFaN{UM
(3)енƵII~IIȡõ{UM
(4)λU{ĸN̘IUM(IatUM){UM