ҩ--
ҩҩеȼӹƳɵľЧʳƷҩŵ㣬Ƣθ֮ˣܲѪƢθʵϡãӹʱ䳤ˮֶ࣬ҩӪʵijܽ⣬գһ־õʳƼƷ
һ
1?ɽҩ
Դļָϡ
䷽23ֻɽҩ250ˡ
ϴƬɽҩϴƬȥƤһͬڼˮ졣
ӦãƷã֤ÿΣʳ⣬ڷЧϺá
2?
Դʳβ
䷽1ֻ30ˣ60ˣɽҩ20ˡ
ϴƬҩһͬУˮ졣
ӦãſƢֹʣ㣬µʲ֤ʱɲʱƵƵ֮
3?ȵ
Դͥʳֲᡷ
䷽1ֻ100ˣʳ5ˡ
Ƚˮ20ӣϴУˮԼ10Ӻٽϴкõ룬Ļμɡ
ӦãƷβƢȡҽƷ֮壬һЧ;ˣ֮Ч
4?Ⱥ
Դͥʳֲᡷ
䷽3ֻ1(Լ40)1ֻطӡտо10ˣʳ5ˡ
ݷȥ࣬ϴгɿ飻ϴƬУȷʳΣ뺣κȣ졣ɳУˮкɴõĵطӺտоһͬԼ40Ӽɡ
ӦãƷݷȡΪʳӲ;ɣɲʱá
5?
Դ²桷
䷽Ƥ500ˣ15ˣ30ˡ
ȽƤڹȥֽ֬гɼ顣ˮƤ˳죬̳ƤۺۣĻ켴ɡ
ӦãƷƢУƢ˵Ȳ֢Ϊˡ¿ڿʶʸɵҲѡΪʳƣɲʱڿʼ
| 
