蹤̾áԤ֮

46̿ĿӦգн㡣 
Aʵ֧ķ                     BǹĿƼ۱еķ 
CʵɵĹ                 DǹĿеĹ 
47豸ӷУѵָ 
Aڹڹ߾ۿڻվ 
Bڹı߾ۿڻվڹı߾ۿڻվ 
Cڹı߾ۿڻվزֿ 
Dڹı߾ۿڻվزֿ 
48ijĿ̷600Ԫ豸߹÷800Ԫװ̷180Ԫ̽210ԪԤ90ԪĿ2꣬2ƻͶ40%۸Ϊ3%2ǼԤΪԪ 
A3949                             B3849 
C458                               D436 
49߼Ҿ߹÷ѵļǣ 
A豸ְ                     B豸ӷ 
C豸÷                            D豸ԭ 
50ÿϢļ㹫ʽΪ 
A+ 
BϢۼ+ 
CÿӦϢ=Ϣۼ+/2 
D 
51ԹΪƶĶǣ Դ
Aָ                     B㶨 
CԤ㶨                     Dʩ 
52涨½ĿͶת״õĹߡ׼ǣ 
A̽                     B 
Cװ                                   D 
53ƶ˹ķУڼⶨ 
AͳƷ                     Bдʵ 
Cдʵ¼                     Dʱ 
54ijʩе̨Ϊ500m3֮ϵĹС4ˣ˹ʱ䶨Ϊ 
A08/100m3                     B02/100m3 
C08/m3                           D02/m3 
55ij޹˾ijҵһ̨豸豸۸Ϊ40ԪΪ5꣬ÿĩ֧Ϊ14ԪΪ10%޹˾趨ĸΪ 
A5%                         B4% 
C3%                         D2% 
56һ˵ɣġ 
AԶ                     BĸԶ 
CеĹ                 D̹еĹ 
57иڰվ10%ȡǣ 
A                     Bӯ๫ 
Cӯ๫                 Dӯ๫ 
58ڽĿڵľ߽׶Уоǣ 
AĿѡ                     BĿǷ 
CĿͶ                     DĿͶ 
59ɶ׼䷽붭»׼䷽һʱӦȻƱйĿģ 
Aʵ                     Bʵ 
Cĩ                            D 
60ҵڲϲһ뽨Ʒɱֻ̯ܰɱõǣ 
AͶ֧                     BӪҵ 
Cʱ֧                     D̯