31.ij̣ÿ꼾ʩӷΪ2000ԪȫЧʩΪ240죬ƽ˹ʵΪ22Ԫ˹ռֱӷѵıΪ18ù̶꼾ʩӷѷΪ()
A.37.88B.47.52
C.6.82 D.8.31
32.װ̷öӦѭԭ()
A.ǸӰزﵽȷ
B.ӳƽȽˮƽ
C.ϸ࣬ڡ
D.ҵӯΪĿģȷ
33.ijĿܷΪ5000ԪУ̷3200Ԫ豸üװλ̷1650ԪתΪ1.2תΪ()Ԫ
A.60.0B.38.4
C.19.8D.18.6
34.ijשṹĽ900m3ëʯͻĹΪ67.5m3ÿ1m3ëʯҪʯ0.8գٶڸλֲ̲Ҫʯ1000m3ʯΪ()ա
A.60.0B.48.6
C.75.9D.10.7
35.Ͷʹָҵͬ죬һΪ()Ρ
A.ָꡢλָͷֲָꡡ
B.λָꡢֲָͷָ
C.Ŀۺָꡢλֲָָꡡ
D.Ŀۺָꡢָ͵λָ
36.ijҪMN豸M豸5̨28Ԫʵʹ6̨35ԪN豸8̨16Ԫʵʹ10̨27Ԫ豸ü۸ָΪ()
A.145.9B.179.1
C.146.3D.122.8
37.ij̵һ깺ֲĵļ۸3000Ԫ/֣ڶ3800Ԫ/֣4200Ԫ/ֲ֣ĵĻȼ۸ָΪ()
A.26.710.5 B.78.990.5
C.126.7140.0D.126.7110.5
38.Ŀ빤۵Ĺϵ˵вȷ()
A.ĿߵӰͶʹľȷȡ
B.ĿߵӰ칤۵ĿЧ
C.ۺĿȷԵǰᡡ
D.ĿߵǾ۵Ļ
39.ĿоΪ()ݡ
A.ͬۡB.ƱͶ걨ۡ
C.̽㡡D.Ŀ
40.ԭƷ720ֵijϵͳ½ϵͳԭϵͳ2½ϵͳͶʶԭϵͳͶʶԼ()(ָn=0.5f=1)
A.141B.173
C.41 D.73
41.ijĿһֽʽӹҶֵʱϢ֧()
A.ҽ䣬ҽ١ Դwww.examda.com
B.ҽ䣬ҽ
C.ҽӣҽӡ
D.ҽ٣ҽ
42.ձֽҪֽĿ()
A.ʽ𡡡B.չ̶ʲֵ
C.ܶD.Ʒ
43.ijĿ̶ʲͶ3850ԪʽΪ462Ԫ̵ʽΪ139ԪͶݵܶΪ578Ԫ˰Ϊ200ԪݵͶΪ()
A.19.50B.18.04
C.14.49D.13.40
44.ijĿi1=12ֵFNPV1=2800Ԫi2=13ʱFNPV2=268ԪԲڲΪ()
A.13.11B.11.09
C.12.91D.12.09
45.ڹҵĿУƽͼָ()
A.ƽá B.ͼƺƽá
C.ͼƺͽơ D.ƽú