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һx:
1˾2004610۲Ʒһۿ500Ԫֵ17%KԑIжһƱһţϢ6%Ʊ~rKƱݿ()Ԫ
A.500
B.585
C.598.65
D.602.55
Sd
⡡ӦƮ?ƱƱ×Ʊ×=585×6%/12×6=17.55Ԫ
KƱݿ=ֵ+Ϣ=585+17.55=602.55Ԫ
2IƷһ100ԪIۿ10%ֵ17%ۿ2/101/20n/30IƷr˷0.5ԪIG۷㣬Ӧ˿I?
A.90
B.100
C.105.8
D.117.5
Sc
⡡Ӧ?100×1-10%×1+17%+0.5=105.8Ԫ
3˾ٷֱ_F׼Ӧ˿Ƶʧ?0%2005˻Ĵ15ԪR鑪zᣩ깫˾z?Ԫǰ˺z5Ԫĩz400Ԫ2005ĩ˾Ļʞ()Ԫ
A.8
B.20
C.28
D.40
Sc
?005ĩFӛ׼?15-8+5=12(Ԫ)
2005ĩF?400×10%-12=28(Ԫ)
4˾?0051231z500Ԫ͹ʧn1z350Ԫʧ5%12z80Ԫʧ20%23z50Ԫʧ40%3z20Ԫʧ80%Fӛ׼n?Ԫ˾2005ĩȡĻʞԪ
A50
B63.5
C69.5
D55.5
Sb
?005ĩĻ=350×5%+80×20%+50×40%+20×80%=69.5Ԫ
2005ĩȡĻ=69.56=63.5(Ԫ)
5˾z500Ԫ۸ijУJ۸350ԪۺտCе׷zF?00Ԫxԟ˱I񣬽ʹ˾
A.50Ԫ
B.II֧50Ԫ
C.50Ԫ
D.II50Ԫ
Sb
⡡ӦծȨ۸еȹ׷ȨģӦS?
裺?50
100
II֧50
z500
ʷII֧50Ԫ