总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 5/(1+0.05)^41+5/(1+0.05)^42+5/(1+0.05)^43+5/(1+0.05)^44+5/(1+0.05)^45 的值.
题型:数学计算
解:
5/(1+0.05)^41+5/(1+0.05)^42+5/(1+0.05)^43+5/(1+0.05)^44+5/(1+0.05)^45
=5/1.05^41+5/(1+0.05)^42+5/(1+0.05)^43+5/(1+0.05)^44+5/(1+0.05)^45
=5/1.05^41+5/1.05^42+5/(1+0.05)^43+5/(1+0.05)^44+5/(1+0.05)^45
=5/1.05^41+5/1.05^42+5/1.05^43+5/(1+0.05)^44+5/(1+0.05)^45
=5/1.05^41+5/1.05^42+5/1.05^43+5/1.05^44+5/(1+0.05)^45
=5/1.05^41+5/1.05^42+5/1.05^43+5/1.05^44+5/1.05^45
=5/7.391988147730891+5/1.05^42+5/1.05^43+5/1.05^44+5/1.05^45
=5/7.391988147730891+5/7.761587555117436+5/1.05^43+5/1.05^44+5/1.05^45
=5/7.391988147730891+5/7.761587555117436+5/8.149666932873309+5/1.05^44+5/1.05^45
=5/7.391988147730891+5/7.761587555117436+5/8.149666932873309+5/8.557150279516975+5/1.05^45
=5/7.391988147730891+5/7.761587555117436+5/8.149666932873309+5/8.557150279516975+5/8.985007793492823
=0.676408+5/7.761587555117436+5/8.149666932873309+5/8.557150279516975+5/8.985007793492823
=0.676408+0.644198+5/8.149666932873309+5/8.557150279516975+5/8.985007793492823
=0.676408+0.644198+0.613522+5/8.557150279516975+5/8.985007793492823
=0.676408+0.644198+0.613522+0.584307+5/8.985007793492823
=0.676408+0.644198+0.613522+0.584307+0.556483
=1.320606+0.613522+0.584307+0.556483
=1.934128+0.584307+0.556483
=2.518435+0.556483
=3.074918 答案:5/(1+0.05)^41+5/(1+0.05)^42+5/(1+0.05)^43+5/(1+0.05)^44+5/(1+0.05)^45=3.074918你的问题在这里没有得到解决?请到 热门难题 里面看看吧!