2006һʦʸԽ蹤̾

50.ijĿ꣬һ100Ԫڶ200ԪȾⷢţ10%ڴϢΪԪ
A.25 
B.25.5
C.15
D.20.5
51.ΪҵҪҵˮƽжˮƽĹϵǣ
A.ߺ޹ϵ
B.
C.ǰߵں
D.ǰ߸ں
52.ijƷĹС3ɣʱ䶨Ϊ0.65/m3Ϊm3/ա
A.4.62
B.1.95
C.1.54
D.0.51
53.ijʩеʱ䶨Ϊ0391̨/100m3֮ϵĹС4ˣûеIJΪm3/̨ࡣ
A.64
B.0.64
C.256
D.2.56
54.̯ҵģ
A.̶ʲ
B.ʲ
C.ʲ
D.ʲ
55.йĿ嵥˵вȷǣ
A.Ͷ˶еǹĿб
B.Ͷ˲бдǹĿ
C.Ͷ˲ĶĿ嵥еб˲
D.ױ˿ĶĿ嵥еб˲
56.иͬй̶ʲǣ
A.̶ʲ
B.Ӫ̶ʲ
C.̶ʲ
D.Ӫ̶ʲ
57.ҵҵʽǣ
A.ֽ
B.ͬҵʽ
C.Ի׻
D.޹Ʒ
58.ҵӦڶԳͶʵֵм飬ڣһΡ
A.ÿĩ
B.ÿĩ
C.ÿĩ
D.ϸȷ
59.ijɷ޹˾һ̨豸Ϊ300000ԪֵΪ5%ʹΪ5ꡣҵѡܺͷ۾ɣ豸4۾ɶΪԪ
A.38000
B.22000
C.17000
D.19000
60.i1=2i2,n1=n2/2Pͬʱ
A.ȷF/Pi1,n1루F/P,i2,n2ĴСϵ
B.F/Pi1,n1(F/P,i2,n2)
C.F/Pi1,n1=(F/P,i2,n2)
D.F/Pi1,n1(F/P,i2,n2)