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        ط(w)Tԇ

        (dng)ǰλã(w)TԇW(wng) > > Мy(c) > > 202(w)TԇМy(c)}֮gP(gun)

        202(w)TԇМy(c)}֮gP(gun)

        2021-09-28 09:50:01 (w)TԇW(wng) AD΢Ź̖(ho) ADھAPPd (li)ԴԺ

        Document

        (bo)(wn)}

        ͬW(xu)ߴaԃ

        YϷڿԇǷdzҪһ(g)ģKr(sh)(jng)(hu)gP(gun)֪R(sh)c(din)Ҫ3}(li)һ𿴿@Щ}͵c(din)ͽ}ɡ

        gL(zhng)

        1c(din)һ(du)ǰL(zhng)(磺20202018……L(zhng)%?)

        2ʽR=r1+r2+r1×r2(r1r2L(zhng))

        1

        20141~5£҇(gu)ܛϢg(sh)(w)I(y)(sh)F(xin)ܛI(y)(w)13254|ԪͬL(zhng)20.9%5·2968|ԪͬL(zhng)20.6%1~5ܛI(y)(sh)F(xin)182|ԪͬL(zhng)14.8%ٱȥͬڸ4.7(g)ٷc(din)

        (x})20141~5£ܛI(y)~ȃǰL(zhng)ıĂ(g)֮(ni)?

        A. 20% B. 20%30%֮g

        C. 30%40%֮g D. 40%

        𰸡 B

        һ(j)(wn)}“ȃǰL(zhng)ı”(wn)“20121~5L(zhng)ı”gg“20131~5”ʱ}gL(zhng)Ӌ(j)

        ڶλһκ벿“20141~5ܛI(y)~L(zhng)ʞ14.8%ٱȥͬڸ4.7(g)ٷc(din)”

        20131~5ͬٞ14.8%-4.7%=10.1%(j)gL(zhng)R=r1+r2+r1×r2ɵ20141~5±ȃǰL(zhng)ıR=14.8%+10.1%+14.8%×10.1%≈24.9%+15%×10%=26.4%

        xBx(xing)

        g

        1c(din)һ(du)ǰľw(֪2020꣬t2018…wǶ?)

        2 (1)gL(zhng)ʣR=r1+r2+r1×r2

        (2)g=F(xin)/(1+R)

        2

        (x})2012ϰȫ(gu)(hu)~sf(wn)|Ԫ?

        A. 75 B. 86

        C. 93 D. 102

        𰸡 B

        һϽo“2014Ӌ(j)(hu)~”(wn)}“2012ϰ~f(wn)|Ԫ”һ(g)wt}gӋ(j)

        ڶλD2014ϰ(ڶӋ(j))ȫ(gu)(hu)~101.5f(wn)|ԪͬL(zhng)8.7%2013ϰͬL(zhng)9.1%

        (j)gL(zhng)ʹʽR=8.7%+9.1%+8.7%×9.1%≈17.8%+9%×9%≈18.6%(j)=F(xin)/(1+R)^x(xing)F(xin)λͬrɌĸҽȡǰλȡ̎딵(sh)(j)ɵã2012ϰ(hu)~1021.2f(wn)|Ԫֱλ8

        xBx(xing)

        g(sh)

        1c(din)һ(du)ǰı(sh)(20202018……Ķٱ?)

        2g(sh)=R+1

        3

        20141~2Ї(gu)ں(jin)r£

        ؅^(q)310|ԪͬL(zhng)26.9%ͬȻ43.5(g)ٷc(din)8(g)ʡͬL(zhng)^ČCքeL(zhng)1.61.44(g)ʡȥͬL(zhng)D(zhun)½FݷքeL(zhng)7.22.4D(zhun)½79.7%50.2%

        (x})20141~2΅^(q)~s2012ͬڵĶٱ

        A. 0.2 B. 0.6

        C. 1.7 D. 8.2

        𰸡C

        һ(j)“20141~2¼s2012ͬڵĶٱ”t}g(sh)Ӌ(j)㡣

        ڶλڶ“20141~2΅^(q)~ȥL(zhng)7.2D(zhun)½79.7%”

        (j)gL(zhng)R=r1+r2+r1×r2c2012ͬ20141~2µgL(zhng)R=7.2+(-79.7%)+7.2×(-79.7%)≈7.2-0.8-7.2×0.8=0.64(j)g(sh)=1+R20141~22012ͬڵ0.64+1=1.64

        ˣxCx(xing)

        Ͼڿԇ(dng)УgP(gun)}ͱ^}պ}Ŀc(din)Լ}ڿԇr(sh)ԑ(yng)һ°빦

        2024ԇ?jn)?sh)
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