1˾м֤ȯΪ6%˾ֽͳ2500ԪֽŷΪ9000Ԫ˾ֽ21200ԪģӦеģԪͶ֤ȯ
A.12200B.0C.8000D.18700
𰸡B
ֽ߳=39000-22500=22000(Ԫ),,Ŀǰֽδﵽֽ߳,ᡣ
2.ڴ½Ӧʹõ£¾ӵ()
A.ӪB.һζɱӪC.ÿպӪD.ÿչӦӪ
𰸡ABC
½ӦʹõľöʽΪ
= Q=[2KD/ KC1- d/p]1/2
ʽУPʾÿͻdʾÿպKʾÿζı䶯ɱDʾҪKCʾλ䶯ɱ
ʽԿKDd뾭öͬ䶯PKC뾭öʷ䶯
3ijҵֽ֧״ȽȶȫֽҪΪ200000Ԫÿתм֤ȯĽ׳ɱΪ400Ԫм֤ȯΪ10%ﵽֽȫ꽻׳ɱǣԪ
A. 1000B. 2000C. 3000D. 4000
𰸡B
ֽ==40000Ԫ
ﵽֽȫתɱ=200000/40000400=2000Ԫ
4.ȷֽʱɱģʽʹģʽ迼ǵ()
A.ֽĻɱB.׳ɱC.ֽȱɱD.ֽɱ
𰸡A
ֽɱģʽdzֽĻɱȱɱ֮СʱֽģʽܹʹֽĻɱ뽻׳ɱ֮ͱ͵ֽΪֽɴ˿ɼȷֽʱɱģʽʹģʽ迼ǵdzֽĻɱ
5.ijҵüײ250000ǧˣ10Ԫ/ǧˣĿǰҵÿζÿζɱֱΪ50000ǧ˺400Ԫ/Ρ
Ҫ㣺
1ҵÿĶɱΪ٣
2λ괢ɱΪ0.1Ԫ/ǧˣҵܳɱĿΪ4000ԪҵÿζɱΪ٣
3ҵͨɴڶʵ䣬ҵľöΪ٣ʱռʽΪ٣
(4)Ϊ10죬ӦжϣλȱɱΪ40Ԫӳ
|
ʷֲ |
60% |
20% |
10% |
5% |
5% |
|
ӳ |
0 |
1 |
2 |
3 |
4 |
ϣ3㺬бմٶ㡣
𰸼
1궩ɱ=250000/50000400=2000Ԫ
2K=TCQ2/2DKC
=40002/22500000.1
=320Ԫ/Σ
3Q40000ǧˣ
ռʽ=Q/2P
=40000/210
=200000Ԫ
