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〖1/1算式〗
作业:求算式 e^(-0.5)/0.25+e^(-0.5)*(-1/2)*0.25^(-0.5)*ln0.25 的值.
题型:数学计算
解:
e^(-0.5)/0.25+e^(-0.5)*(-1/2)*0.25^(-0.5)*ln0.25
=e^(-0.5)/0.25+e^(-0.5)*(-1/2)*0.25^(-0.5)*ln0.25
=e^-0.5/0.25+e^(-0.5)*(-1/2)*0.25^(-0.5)*ln0.25
=e^-0.5/0.25+e^-0.5*(-0.5)*0.25^(-0.5)*ln0.25
=e^-0.5/0.25+e^-0.5*(-0.5)*0.25^(-0.5)*ln0.25
=2.718282^-0.5/0.25+e^-0.5*-0.5*0.25^-0.5*ln0.25
=2.718282^-0.5/0.25+2.718282^-0.5*-0.5*0.25^-0.5*ln0.25
=2.718282^-0.5/0.25+2.718282^-0.5*-0.5*0.25^-0.5*-1.386294
=0.606530640574654/0.25+2.718282^(-0.5)*(-0.5)*0.25^(-0.5)*(-1.386294)
=0.606530640574654/0.25+0.606530640574654*(-0.5)*0.25^(-0.5)*(-1.386294)
=0.606530640574654/0.25+0.606530640574654*(-0.5)*2*(-1.386294)
=2.426123+0.606530640574654*(-0.5)*2*(-1.386294)
=2.426123+(-0.303265)*2*(-1.386294)
=2.426123+(-0.60653)*(-1.386294)
=2.426123+0.840829
=3.266952 答案:e^(-0.5)/0.25+e^(-0.5)*(-1/2)*0.25^(-0.5)*ln0.25=3.266952你的问题在这里没有得到解决?请到 热门难题 里面看看吧!