A.Aԑۿ
B.AԑĻʧ
C.ۿ
D.
οSB
SñʏͻIIsͨAԑĻʧrʾTxB.P142
ĹPָꡣ
12.иУֱӰݞo?
A.ƽÿ
B.A?BR>C.AÿС
D.ǰ
οSC
Sմ=1/2Aÿ*AĶ?ƽÿ*ǰڣxABDӰݞՇCӰݞՅĴC.
鱣մļ㹫ʹԓʽ˽⣬÷֑M?BR>
13.ijIҪʽ60ԪԟҪ20%ҵҪĴ?Ԫ
A.75
B.72
C.60
D.50
οSA
S=*1-ʣԣҪĴ=60/1-20%=75ԪxA_S
ӛڳеĂ}?BR>
14.иУʧۿ۵Ļʷ仯?
A.ۿ
B.ۿ
C.ñ
D.
οSD
Sʧۿ۵Ļ=ۿ/1-ۿʣ*360/-ۿڣ耼ۿʡۿՊʧĻñɥʧĻɱPںɥʧĻɹPӆTxD
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15.ij˾yԍ5U4ԍ100Ԫrʽ8%ԍ100Ԫrʽ10%Rrṹֲ䣬ܶ Ԫ
A.200
B.225
C.385
D.400
οSB
Sռʲ\=4/5+4=4/9ܶ=100/4/9=225ԪTxB
H܇e{һӍȡ
16.µMMPб_
A.Ir?BR>B.ԽСIֵԽ
C.ԽIֵԽ
D.IֵIrṹ?
οSD
Sһϵм֮nMMҪ⣬֮һǣòܗUȨUP꠶ߡΪ˵ծ˾IJܸᱻʽԣ˾ļֵrṹP̲P228
һӍxⲿ֪ʶMMrṹeȷ𰸡ԸųѡȻֻeȼÇBCôAҲȻ_T_D
17.ISһI븺ͳɱ?
A.?BR>B.㊚
C.sԹ̶
D.Թ̶
οSC
SsԹ̶IIISһI븺ͳ?BR>vv̶ɱĶ壬ԽĽϤDzFP205
18.ֱͶߵҔɹ²Ž䡱ֵķԭ
A.rȫԭ
B.ԭ
C.ԭ
D.Ͷԭ
οSA
Sݽ239퓕rȫԭĹ涨Ҕɹ½䣬ֻHֱͶߵ?BR>Ƕԭ\
19.ij˾IIdgչĿǰCɳFΣAеIܹδ10ȶҪ˾ϣ˾ӯϡΪԓĹ?
A.ʣ
B.̶
C.̶֧
D.
οSC
S̶֧ߵZ֮һ˾ӯܵϣ֣ӯٷ֣ӯֵĹ?BR>ӛ̇ߵcμ247
20.봫ͳԤ㷽xԏA?
A.A?BR>B.o
C.rA
D.
οSA
S봫r㷽xA㷽ƵԤȸߡʱǿԺãv呻cҪȱA?BR>ӛԤȱ㣬ǶԽ֪RĿe?70ӍȲ
21.ȫAϵķ࣬ԤУn?
A.A
B.A
C.ֱӲA
D.ֱ˹A
οSB
SAA㡢Ԥ㡢AAʲn
ӛnķΧnĵ}ـ죬μ260ӍȲ
22.취£̶õnI?
A.۸Ͳ
B.ķѲЧʲ
C.Чʲ
D.ķѲ
οSD
Sԏ̶õ취£ѹ̶ÅM}?BR>˹̶õIJ̲P330.ǶԽ~ֱӿˣ]Ӎxʧ
23.ʹCԭиУS
A.
B.
C.
D.Ƴ
οSA
SSָۺʹøòƷйصijS
˵άɱĺ壬ҪԽϤ÷ò⣬^?36
24.ָУֵС볥ծСͬӠ
A.
B.ʲ
C.fϢ
D.Ϣ
οSC
SfϢ=Ϣǰܶ/Ϣָ֧ԽfIԽ
һۺԣӍȽϴ
25.ijI20072008IIֱ7%8%ʲDʷֱ21.5ʲͬ2007x2008ľʲr?
A.
B.
C.
D._
οSB
Sʲ=II*ʲD*ʲʲ䣬Ȩ䡣2007ľʲ?7%*2*=14%*2008ľʲ=8%*1.5*=12%*2008ľʲˡ
ǶhŰϵĹʽĿˣۺԽһӍȡ