????????5??+5??????????????
????????5?????,????????5??????,????5??????????
????????5??+5??????????????
??????????????????????汾????????60000???(???)?????????????2400??????60000/2400=25??
????????850????25X850=21250????1?=100?????????????????????212.5??????????????212.5X3=637.5??????????????????????3X45=135???
????????????????+5???=637.5+135?=772.5???
???齨?飺???????????????ɡ?
????????????????????????????t??????????????????????????????????????????±?????????±??????????????????20???±???????600????????????????????????????????????????(2400)??????????????500??????????????2400????????850????
?????????????800??????????????????50??????????????200??????????2400????4???????800??????????????25X800X3=600+135=735???????+5?????????????t???????
????????????500???????????25X500X3=375+135=510???????+5?????????????????+??????????????
??????????????????????????????????????????????????????????10?Σ??????????????????????????????????1200?????????????????????????￡???????????????!??????!
??????????????????!
???????????????????40407????????5?????http://audiogearreviews.com/zmxy5/
