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〖1/1算式〗
作业:求算式 3.25*e^(-0.020431)+3.25*e^(-2*0.022891)+103.25*e^(-3*0.021362) 的值.
题型:数学计算
解:
3.25*e^(-0.020431)+3.25*e^(-2*0.022891)+103.25*e^(-3*0.021362)
=3.25*e^(-0.020431)+3.25*e^(-2*0.022891)+103.25*e^(-3*0.021362)
=3.25*e^-0.020431+3.25*e^(-0.045782)+103.25*e^(-3*0.021362)
=3.25*e^-0.020431+3.25*e^-0.045782+103.25*e^(-0.064086)
=3.25*2.718282^-0.020431+3.25*e^-0.045782+103.25*e^-0.064086
=3.25*2.718282^-0.020431+3.25*2.718282^-0.045782+103.25*e^-0.064086
=3.25*2.718282^-0.020431+3.25*2.718282^-0.045782+103.25*2.718282^-0.064086
=3.25*0.979776297443573+3.25*2.718282^(-0.045782)+103.25*2.718282^(-0.064086)
=3.25*0.979776297443573+3.25*0.95525018127398+103.25*2.718282^(-0.064086)
=3.25*0.979776297443573+3.25*0.95525018127398+103.25*0.937924330776226
=3.184273+3.25*0.95525018127398+103.25*0.937924330776226
=3.184273+3.104563+103.25*0.937924330776226
=3.184273+3.104563+96.840687
=6.288836+96.840687
=103.129523 答案:3.25*e^(-0.020431)+3.25*e^(-2*0.022891)+103.25*e^(-3*0.021362)=103.129523你的问题在这里没有得到解决?请到 热门难题 里面看看吧!