ijƼIČW3λώĎIʂ丰W^wWFЃɼǰǢՄrÿ2000ԪҸЃݣϣʾώMW8Mഺʾһɰ7MlFӃɼČHM
1ԓУӿƼIČWж
2˲WWУxļʲô
⣺1OԓУӿƼIČWx}ã
2000x80%=2000x+370%
ãx=21
ԓУӿƼIČW21
2OWa}ã
xϣt2000a80%2000a+370%
ãa21
xഺt2000a80%2000a+370%
ãa21
˲WWУxഺ㣮
1OԓУӿƼIČWx}ɵõPϵϣĻM2000x8=ഺĻM2000x+37Pϵг̼̽ⷽ
2OWaˣϣĻM2000a8ഺĻM2000a+37
xϣt2000a80%2000a+370%
xഺt2000a80%2000a+370%
ⲻʽ֪˲WWУxļ磮
cu}ҪһԪһηcһԪһβʽđPIOW˔ʾϣĻMഺĻM