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Fڵλã ԇ > (jng)ԇ > ָ > м(jng)A > 

2024м(jng)(jng)A(xin)7

(li)ԴW(wng)j(lu )2024-10-10 11:18:40ҪԇϿԇ(jng)f(wn)}
2024м(jng)(jng)A(xin)7ཛ(jng)ԇ俼P(gun)ϢՈL(fng)(wn)ԇ(jng)ԇW(wng)΢f(wn)}(jng)ԇ鿴

2024꽛(jng)ԇxc(din)Yd

2024꽛(jng)ԇW(xu)򿨠I(yng) c(din)>>

c(din)鿴2024м(jng)(jng)A(xin)R

ȫI(y)(xin)



(xin)w

1R=PQ

ʽУRPλa(chn)Ʒr(ji)QN(xio)

2ƽAR=R/Q=PQ/Q=Pƽچλa(chn)Ʒăr(ji)

3߅HMR=∆R/∆Q=∆(PQ)/∆Q=P߅Hچλa(chn)Ʒăr(ji)

ȫЈ(chng)(g)eI(y)߅HMR=ƽAR=λa(chn)Ʒr(ji)P

ڂ(g)eI(y)߅H澀(xin)MRƽ澀(xin)AR(xin)dͬһl(xin)((xin)һ)


 

c(din)·朽I(lng)ȡ(jng)ԇ}c(din)ģM}Y>>>

(jng)}d

 

d}(jng)ԇW(xu)
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f(wn)}dح΢"f(wn)}콛(jng)ԇ"

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2024(jng)ԇxc(din) ģMԇ} | ÿմ򿨌W(xu) | f(wn)}

v꽛(jng)ԇ} | (jng) | м(jng)

(jng)f(wn)} | (jng)}pdfdc(din)|P(gun)ע΢Ō

v꽛(jng)ԇϸ˜ | (jng)ԇC(sh)I(lng)ȡr(sh)gʽ

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˱ĵľW(wng)߀
2024м(jng)(jng)A(xin)9  (2024-10-12 14:34:47)
2024м(jng)(jng)A(xin)8  (2024-10-12 14:15:27)
2024м(jng)ڡe׻c(din)12  (2024-10-10 11:53:29)
2024м(jng)ڡe׻c(din)11  (2024-10-10 11:50:10)
2024м(jng)ڡe׻c(din)10  (2024-10-10 11:47:17)
2024м(jng)ڡe׻c(din)9  (2024-10-10 11:43:24)
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