1.ϵתк
𣺢ٹƵתĹһԲλһ㡣ڷWEڣͳ˵һ£ѡòο㲻ͬԷΪ˷££££ֵ¡תڡͬתתͬʱԼҲתתתĹתͬķ򶫣ͬڣ£תΪͬת

2.Ļкص㣿ĽṹΣ
ҲǸߵƽɽܲ"󡢺"ȸƣԵڶĻɽڲҲпǡᣡ˵ȷֲṹ

3.ʲôǺ£ʲô˷£к
ԺλΪ׼ڣƵתһܣƽΪ27.3217գ¡ӯڣ̫λΪ׼ƽɴ29.5306գ˷¡תڣ˷仯ڡ߳Ȳͬ׼ͬ

4.γɣͬʱûʱкβͬ
򣬵⣬ֻܷ̫⡣̫£ǱΪͺڰֵ֡ĶԱȣʱ̷仯¿ѭֱ仯գ£ߵλöƾ̫ƾʱΪ˷ƾ̫90ʱΪҡƾ̫ƾ270ʱΪҡƾ̫180ʱ¡ͼʾԣ

ĳûĴʱ

      |  |̫ͬûȽ|³ | | |ҹ
£˷|0   |ͬͬ      |峿 | |ƻ |ҹ
    |90  |      | |ƻ |ҹ |ϰҹ
£|180 |      |ƻ |ҹ |峿 |ͨɼ
    |270 |      |ҹ |峿 | |°ҹ
 

5.ʳʳγɣк
𣺴µϵͳӰڵϣڵϵǿ̫ʳӰӣʳϿ֣ͷʳֽӰͶӰ棬ͷʳʳķգ£˶йء
    һʳڻư׽򸽽Ҳ˵Ҫʳ޷Χڣʳ˷գʳաʳƫʳȫʳջʳʳֻƫʳȫʳ
     򡢹̺вͬ⣬ǵ
1 ʳֵԵʼֵĶԵʳֵĶԵʼֵԵ2 һ ȫʳʱ̣27ӣȫʳʱ䳤һʳɾ1Сʱ40ӡ3գʳʱⲻͬ۹ãȫʳбȫʳʱʹͭɫ4ƫʳʱʳֲһҲǲͬطͬʳ󡣶ƫʳʱʳһ˵ϵ˼ʳ龰һġ5ʳʱʳĵխʱҲͬڽ϶ʳʱʳĵ㣬ǰϵ˿ͬʱʳʳķΧʳʱֻоֲɼȫΧʳʳھ۲ص㣬ʳʳ

6.ʲôǳ䳱߳͵ͳ󳱺С
ںϫУǳ½䳱ǳתΪ䳱ʱˮλߣƸ߳䳱תΪǳʱˮλͣƵͳһڣʱĺд󳱣СʱĺС

7.νͳϫε
𣺳ϫǵ󣬼һ壬Ҫڹת΢ĳ壬巢չԵıΣƳϫΡ

8.ʲôΪʲô̫
𣺵̫۴С򣬶ƽֵͬƽֵȽϣ̫һֵֵǵκͳϫֱԭ򣬳ҲƳ̫ԷֽΪƽʵƽ

    ʽ̫ڸԴͬԵȣͬԵľɷȡ̫ǵ33300081.3ɴ˿֪̫Լ27100000յؾµؾ390149600000/384400=390ˣ̫1ô2.189  

9.νճ󣿽Ͱճȫճͻϳĳ.
  
 ν"ճ"ָһ֮ڵθ֮߳Ĳ
ճ֮ڵһθߵͳ
ȫճһ֮θߵͳ
ϳߵͳ
ԭ׵ƽ͵ƽбһǷ־ϱ˳򣩺ͶԳͬճγͬ

10.ʲôϣޣγкã
𣺵תС壨ǣľСһ޶ڣܳСʼʹС߽⡣޾Ϊ"ϣ"
    γã̫ϵǣľǣǣǶй⻷һձԣһΪǻԭϣڱ߽γɵģݻڲϣڵ޷۳ǡ

11.ϫĵЩ
𣺣1 Ǹݳϫɣ㣬ˮɹΣչ̲Ϳֳҵ2 ϫغȾ۵ĵԴ3 ϫõķΧҲӰ쵽ۿڽ裬˵ķչ4 һҵ캣Ҳ볱ϫйء
