עʦ˰Խʮ

豸Ͷ
ijйҵҵ2001ù豸ͶʶΪ200ԪӦҵ˰Ϊ80Ԫ(2000ҵ˰60Ԫ)2002Ӧҵ˰Ϊ130ԪͶʵ˰ֱΪ( )
A. 2001˰20Ԫʵ˰60Ԫ
B.2001˰40Ԫʵ˰40Ԫ
C.2002˰60Ԫʵ˰70Ԫ
D.2002˰70Ԫʵ˰60Ԫ
𰸡AC
豸Ͷʵ˰޶ = 20040% = 80Ԫ2001Ͷǰһ(2000)˰20޶ڣֱӵ˰2001ʵ˰ = 80-20 = 60ԪѡA2002Ͷǰһ(2000)˰70Ԫ˰޶10Ԫֱӵ˰ֻ60Ԫ2002ʵ˰ = 130-60 = 70ԪѡC

˰۳޶۳
޶۳=+ã33%ijá£+ã
ע⣺
1ֹ޶
1 ˰33%


512´Ӿ֧ȡ˰32Ԫ֧ڹҵ˰˰Ϊ30%ڸùҹǩ˱˫˰Э֧еھʵֻ20%˰ʽҵ˰
޶=32£1-20%33%
=32£1-20%30%

ڷֻ˰
20021¼׹˾Ӫҵֻ2001˰37ԪӪҵҵ˰˰15˶ڼյŻߣ׹˾ҵ˰˰33׹˾ֻص˰Ӧҵ˰( ) 2002꣩
A. 6.66Ԫ B7.20Ԫ
C. 7.84Ԫ D10.20Ԫ
B Ӧҵ˰=37(1-7.5%)(33%-15%)=7.2Ԫ

2003
ijԶҵְ320ˣҵ˰˰332002ȷ¾Ӫҵ
(1)еԶҵȡ8600Ԫװж200Ԫҵֱӳɱ(ְʷ)630046Ԫ
(2)䱸20Ա6Ŵ׹˾ʹ8(31ա1031)ȡ240Ԫڼ䣬Զҵ֧Ա288Ԫά޷12Ԫ
(3)8Ŵ2002111231ճҹ˾ʹ1꣬䱸ԱҲезĸַã̶ȡ160Ԫ
(4)ȫ귢ù1200Ԫ(ҵд50Ԫ)Ӫù600Ԫ(250Ԫ)ʵܶ428Ԫ(ʷõ֧˾¼˰ʱ׼800Ԫ)ȡְᾭѡְѡְѹ749ԪδȡáᾭѲɿרվݡ
(5)12´Ӿ֧ȡ˰32Ԫ֧ڹҵ˰˰Ϊ30ڸùҹǩ˱˫˰Э֧ھʵֻ20˰ʽҵ˰
(6)1-11Ԥҵ˰110Ԫ
Ҫ
(1)Զҵ2002ӦɵӪҵ˰ά˰Ѹӡ
(2)Զҵ2002ĩӦɵҵ˰
𰸡
1Ӫҵ˰ά˰
ӣ
ӦӪҵ˰=86002003%+2403%+1605% = 279.2Ԫ
Ӧɳά˰ =279.27%=19.544Ԫ
ӦɽѸ=279.23%=8.376Ԫ
2ҵ˰
ܶ=860020024016032£120%=920040=9240Ԫ
ҵдѿ۳׼=92003룫3=30.6Ԫ
ҵдѳ׼=5030.6=19.4Ԫ
۹ѿ۳׼=92002%=184Ԫ
ѳ׼=250184=66Ԫ
ʷÿ۳׼=3200.0812=307.2Ԫ
ݹʸѿ۳׼=307.214%1.5%=47.616Ԫ
Ӧ˰ö=92406300.46279.219.5448.376120019.460066307.247.616=563Ԫ
2002Ӧҵ˰=56333%=185.79Ԫ
Ӧֿ˰=32£120%30%=12Ԫ
ĩӦ˰=185.7911012=63.79Ԫ


ijջ2003Ʒ2000Ԫ̶ʲ100Ԫ۳ɱ900Ԫֵ˰340Ԫ˰160ԪӪҵ˰5Ԫǽ˰ͽѸ50.5Ԫڼ500ԪУҵд30Ԫ֧200Ԫ20Ԫ2001Ϊ12ԪӪҵ֧70Ԫ4ԪзϢ1Ԫȫ20ԪͶ湲40ԪйȯϢ6ԪӪҵֻ34ԪӪҵ15%˰ʣ
Ҫ󣺼ҵ2003Ӧ˰д˰˰
𰸡
1ӪҵֻԭΪ˰ǰ=34£1-15%=40Ԫ
(2)޾=100-1005%(1+7%+3%)=94.5
3ҵд˰ǰ۳=2000+1003+3=9.3Ԫ
ö=30-9.3=20.7Ԫ
4˰ǰ۳=2000+1008%=168Ԫ
ö=200-168=32Ԫ
5ȼԾ۳޶=˰ǰá3%=460.53%=13.82Ԫ
׼ȼԾ=20-13.82=6.18Ԫ
6ɽ=4+6.18=10.18Ԫ
7ʳ10%ӿ۵ļ=2050%=10Ԫ
8Ӧö=2000+94.5+46-900-160+50-500+20.7+32-70+10.18-10-6=507.38Ԫ
9Ӫҵֻ˰=6Ԫ
10Ӧ˰=507.3833%-6=161.44Ԫ
ҵ˰˰
λԪ

ʮ Ͷҵҵ˰

Ҫ
һ ˰˼˰
˰
Ӧ˰öļ
ġ ʲ˰
塢 ˰Ż
˰۳
ߡ ˰걨

ѯ
׹ijѯ˾뾳ͶҵX˾ͬΪijҵṩѯҵ񣬹ڿͻ֧ѯ200Ԫݹķ䣬ѯ˾X˾46ı룬˰ں˶⹫˾ľҵʱͲڣԪ
A.40 B.60 C.80 D.120
𰸡A
200 40 5040Ԫ
ҵͻѯҵӦԭ򣬾͸ҵлΪþҵ벿֣Բ50Ϊ׼ȷþҵľҵ룬涨걨ҵ˰⾳ѯ˾뾳ڹ˾46ı룬˰غ˶⹫˾ľʱͲС200 40 5040Ԫ

ѯ
ѯ˾ijҵṩѯʹȫھеģҲӦҹͶҵҵ˰ ( ) 2003꣩
𰸡

۳Ŀ
ڼͶҵҵ˰Ӧ˰öʱΪɱúʧ( )(2003)
A֧ܻȨʹ÷
B涨Ϊְȡס
Cǹло
DΪڹְɵľᱣշ
𰸡AD

Ҫ˰ŻĿ

˰Ż
ڵijͶҵ1996Ͷ7±λԪ
ʣ俪ʼΪ
俪ʼ˰Ϊ
7깲˰ҵ˰˰Ϊ
1996 1997 1998 1999 2000 2001 2002
-30 50 -25 10 13 -10 20
[] 俪ʼΪ1997ꣻ俪ʼ˰Ϊ2002ꣻ7깲˰Ϊ2030%=6Ԫ

ضҵ


Ͷ˰

Ͷ˰
λھijͶҵ2000˰ 2002ⷽ2001ȡõ˰50Ԫٶѽ3%ط˰ֱͶڸҵעʱ׷ͶΪ8ꡣⷽͶʵ˰Ϊ
A3.52Ԫ B3.66Ԫ
C7.5Ԫ D8.96Ԫ
𰸡B
Ͷҵҵ˰15%˰ʺ3%طӣ˰Ϊ40%Ӧ˰=50(1-15%-3%)15%40%=3.66Ԫ

Ͷ˰
麣ijҵӪ20꣬˫ȨΪ642002Ϊ˰4꣬ʵ70ԪӦ˰100ԪͶֵ߽75%ӱҵעʱҵӦ˰ͶӦ˰
𰸡
ҵӦ˰=10015%50%=7.5Ԫ
̷ֵ˰=70-7.540%=25Ԫ
Ͷ˰=2575%£1-15%50%15%50%40%=0.6Ԫ