ij2020Ayij2015GDP_1800|ԪM290fǧߕrAӋδԓGDP7%ٶLͬڵϵ(sh)0.66ՈÏϵ(sh)Ay2020ԓе
𰸣չʽe=(E/E)/(GDP/GDP)2015-2020ϵ(sh)0.66t2015-2020LٶȞ飺
2015-2020Lٶ
=2015-2020Mϵ(sh)2015-2020GDPLٶ
=0.66 7%=4.62%
2020ԓ
=2015M(1+2015-2020Lٶ)5
=290(1+4.62%)5=363(fǧߕr)
ʽY
ϵ(sh)=A׃׃()/B׃׃(r)
AB׃׃=[Ĕ(sh)ֵ-һĔ(sh)ֵ]/һĔ(sh)ֵ
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