1000,000/(150,000*0.8+100,000*0.2)=7.14
150000-100000 = 50000
500000*0.2 = 10000
50000-10000 = 40000
40000+100000 = 140000
1000000/140000 = 7.14
請回答下列二題。臺北藥廠擬購入一台價值$1,000,000 的製藥機器,預期可使..-阿摩線上測驗