Ӣۻ20%Ʒ + 1.0 + и2000 ȡרֵ鿴

һҪ˱ʬ. +7ʼ ʬ.+10.ֱֻܴ

ɳ+Ĥݻ иǰѪٷ֮3 

0.  
һ ȡQQ ־ʹ. ְҵ  


1. ֵ  ɳ  Ĥ = 50 50 ְҵ  
һ ȡ ɳ  񱩵ĳֵ ȡ.
ڶ ׯ԰ת תǼ.
 űﵽ7. ٷ֮ٷ֮90Ĺ. 


2. ֵ4λ+  ɳ  Ĥ = 80 80ְҵ   ս
һ ȡ ɳ  񱩵ĳֵ ȡ.
ڶ ׯ԰ת תǼ.
 űﵽ7. ٷ֮ٷ֮90Ĺ.
Ĳ 3λȡи«.«иϻٷ֮1. иٷ֮90Ĺ֣ עɢ˿2½òϳ


3. ֵ8λ  ɳ  Ĥ = 120 120ְҵ   ս   
һ ȡ ɳ  񱩵ĳֵ ȡ.
ڶ ׯ԰ת ֱת.ѫ Ѫʯʥ 
 űﵽ7. ٷ֮ٷ֮90Ĺ.
Ĳ ȡи«. ָׯ԰ϳɿԺ2. ϳռԴ  .  עɢ˿2½òϳ
岽 и«3½Ѻϳ.߿ɺϵ4.ֺϻиٷ֮4 ˬ иٷ֮90Ĺ֣
     עǰڵ2½ָռһ.3½.ǰڷʱ.ַѾ2
