2015꾭ʦҵÿǰѺ()
[20С(ѡѡ)ɣÿС1֣ѡѡ÷֡]
һ)ijҵmһҪΪ280֡mһ²ɹһΣմ10졣ݹȥ¼ϣһϰµƻʱ̵Ϊ50֣ԤƵĩҪ70֣45֡⣬ƻһȻҪͨԴ20֣֯ӹ10֡ҵƻ÷ɢɹʽ
ϻش⣺
81mļƻĩ_______֡
A.68
B.70
C.77.8
D.87.8
82ƻڳm_______֡
A.65
B.75
C.70
D.80
83ƻmɹΪ_______֡
A.252.5
B.252.8
C.262.5
D.262.8
84mķɢɹŵ_______
A.ͳﰲŸʵIJɹҵ
B.ʼװ
C.ڲɹ뻷ڵЭ
D.֤߱Ӧ
e.˲ɹ
()2070ձг۶Ϊ740ԪдΪء¢ϡνɽءҵ뼷г̸סҵ˾Դȴη塣˾гӣרоءƷIJͶ̴Ѱг϶ܵڷ֡ءĵ㲻㣺ԳΪгءȴԾɰصڶͯг;ڶءIJƷҪǹζǣߵǶ;ءһֱ״ǣȱͻ;ģءƷļ۸110Ԫ˿ʱ10ԪӲңе㡣ͨҵ˾ԳгΪĿгƶӦӪϲԡ(1)顱Ƴ˹ǣ˾ǡǡǡǣ˲Ʒİװ;(2)۸Ϊ50Ԫ100Ԫ֣鷳;(3)ѡм̹㷺;(4)ԵӹΪȫλ쫷һϯȫձ鹫˾гҵ۶175Ԫгռж25%ͨ¸⣺
85ҵ˾гӪа_______
A.Ʒ
B.۸
C.
D.۴ٽ
86ڽҵ˾ƶIJƷУҪ_______˸Ľ
A.̱
B.ƷƷ
C.װ
D.ƷĿ
87鹫˾ѡĶ۷_______
A.
B.ɱ
C.
D.
88鹫˾ķṹ_______
A.ֱʽ
B.ʽ
C.
D.
89鹫˾ѡ_______ΪĴʽ
A.
B.Ա
C.Ӫҵƹ
D.ϵ
ͼƬ2015꾭ʦ⼰ȷ
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