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〖1/1算式〗
作业:求算式 0.40*e^(-5%*15/365)+0.40*e^(-5%*85/365)+0.40*e^(-5%*175/365) 的值.
题型:数学计算
解:
0.40*e^(-5%*15/365)+0.40*e^(-5%*85/365)+0.40*e^(-5%*175/365)
=0.40*e^(-0.002055)+0.40*e^(-5%*85/365)+0.40*e^(-5%*175/365)
=0.40*e^-0.002055+0.40*e^(-0.011644)+0.40*e^(-5%*175/365)
=0.40*e^-0.002055+0.40*e^-0.011644+0.40*e^(-0.023973)
=0.40*2.718282^-0.002055+0.40*e^-0.011644+0.40*e^-0.023973
=0.40*2.718282^-0.002055+0.40*2.718282^-0.011644+0.40*e^-0.023973
=0.40*2.718282^-0.002055+0.40*2.718282^-0.011644+0.40*2.718282^-0.023973
=0.4*0.997947109937439+0.4*2.718282^(-0.011644)+0.4*2.718282^(-0.023973)
=0.4*0.997947109937439+0.4*0.988423528284964+0.4*2.718282^(-0.023973)
=0.4*0.997947109937439+0.4*0.988423528284964+0.4*0.976312068350919
=0.399179+0.4*0.988423528284964+0.4*0.976312068350919
=0.399179+0.395369+0.4*0.976312068350919
=0.399179+0.395369+0.390525
=0.794548+0.390525
=1.185073 答案:0.40*e^(-5%*15/365)+0.40*e^(-5%*85/365)+0.40*e^(-5%*175/365)=1.185073你的问题在这里没有得到解决?请到 热门难题 里面看看吧!