14ijȡø20000Ԫη4000Ԫ֪ø20%(yng)30%ø20%ݸؚoĹ涨ijӦɗUΪ?
A2688
B2880
C3840
D4800
SB
20000×1-20×20×1-30+4000-800×202240+6402880Ԫ
15ijI(y)һˣ33%ʡ20051nI(y)TI(y)2004(yng)ö240ԪƿƳr(sh)ֻTI(y)2004(yng)ör(sh)©I(y)δ200412I(y)һһԭrһ_(ti)]豌Ͻۣ˰?0Ԫ5.1Ԫ]豸ֵ38Ԫ0.5Ԫ˰ˣ׃r(ji)Gf˽ƶȵҎ(gu)I(y)2004(yng)öԪ
A166.9
B167.4
C172
D172.5
SB
fԖĹ̶ʲʲ̿ʧṩ˰Qr(ji)G̿𡢮ԭô˰еֿ۵Ľ˰(yng)ͬI(y)Ʋʧ(zhn)ʧһǰ涨п?00311˷I(y)ؚȹ涨ؔ(ci)ʵʱۮصĽԼκͱ⃔IJƲʧ۳T(yng)ö?4030+5.138-0.5167.4Ԫ
16ijͶI(y)2004ȡܶ5000ԪI(yng)I(y)֧ͶĿֵ֧ͨ100ԪֱijУо60ԪϢ20ԪD(zhun)50ԪͶI(y)I(y)ؚoĹ涨̓?004(yng)öԪ
A4980
B5040
C5124
D5137
SA
7:1
Ϣ?004(yng)ö5000-204980Ԫ
1720053nI(y)I(y)һLͬɼṩﲢZָĵc(din)ͬĽ300Ԫаͻ֙ͬõӡ0.3룬ͬÜ?.5롣ӡ˰ƶȵҎ(gu)I(y)(yng)ӡԪ
A0.24
B0.15
C0.09
D0.06
SB
ݹ涨Ӧòͬ˰ʾͬSֱ֤eӦֱӦ˰Ӻϼδֱؽģʸߵļ300×0.5?.15Ԫ
18nչ(sh)ʩ(x)RĹ涨˰ƾ֤ƱˉΦ?
A3
B5
C10
D20
SC
й涨ij⣬˲{C{Cй(yng)10z?
19˲ȡD(zhun)OƲֶΣʹǷɵΪڏU?
A_
BǷ
C
DfǷ
SD
˲ȡD(zhun)OƲֶΣʹǷɵfǷ
20ֵؚoĹ涨иУһˉΦר÷Ʊ?
A۲
B(yng)
CԂ?
DKλͽĴ?
SD
۲Ԃ帣Ӧ˰Ŀڲÿר÷ƱֻܿͨƱ?
21иУݚϵ
A
B
C
D
SB
ݚϵĿָ(qun)ָͬ
22ij˾ԑһ\;ɳ֪Q(mo)ԭ10ԪͬD۸15ԪQ(mo)ʹ3ݏ涨ʹ15ݏ˰?0%ù˾(yng)ɵij
A2
B1.6
C1.5
D1.2
SD
D(zhun)֙\;ԭģҪɳ۸15×1-3/15×10012Ԫ?2×101.2Ԫ
23зʽУԏI(y)ĸ߷Ч
Axȫ
Bx
Cxܷ
DxT
SC
ܷI(y)ĸߵķЧ
24סͬf(xi)飬ѡATxBTίTָһϯT3ͥͥVr(sh)ֲͬn÷Ĺ涨ٲͥӦȡ?
ATV
7:2
BϯTV
CίTV
DίTV
SA
ݹ涨þӦnnIJͬԼ¼Ŀ˵DžGnnÿ˃˭Ҳͬ˭ģnΪ?
25йԍTI(y)\У_
ATI(y)Ƕ
BTI(y)зʸ
CTI(y)ͶTI(y)е
DTI(y)ͶzйҲ
SA
TI(y)Ƕ壬Լ»(dng)ǸTI(y)зʸܶijеΡTI(y)ͶTI(y)еΣҸTI(y)Ͷֻй