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 90/(1+6%)+90/(1+6%)^2+90/(1+6%)^3+90/(1+6%)^4+90/(1+6%)^5+1000/(1+6%)^5 的值.
题型:数学计算
解:
90/(1+6%)+90/(1+6%)^2+90/(1+6%)^3+90/(1+6%)^4+90/(1+6%)^5+1000/(1+6%)^5
=90/1.06+90/(1+6%)^2+90/(1+6%)^3+90/(1+6%)^4+90/(1+6%)^5+1000/(1+6%)^5
=90/1.06+90/1.06^2+90/(1+6%)^3+90/(1+6%)^4+90/(1+6%)^5+1000/(1+6%)^5
=90/1.06+90/1.06^2+90/1.06^3+90/(1+6%)^4+90/(1+6%)^5+1000/(1+6%)^5
=90/1.06+90/1.06^2+90/1.06^3+90/1.06^4+90/(1+6%)^5+1000/(1+6%)^5
=90/1.06+90/1.06^2+90/1.06^3+90/1.06^4+90/1.06^5+1000/(1+6%)^5
=90/1.06+90/1.06^2+90/1.06^3+90/1.06^4+90/1.06^5+1000/1.06^5
=90/1.06+90/1.1236+90/1.06^3+90/1.06^4+90/1.06^5+1000/1.06^5
=90/1.06+90/1.1236+90/1.191016+90/1.06^4+90/1.06^5+1000/1.06^5
=90/1.06+90/1.1236+90/1.191016+90/1.26247696+90/1.06^5+1000/1.06^5
=90/1.06+90/1.1236+90/1.191016+90/1.26247696+90/1.3382255776+1000/1.06^5
=90/1.06+90/1.1236+90/1.191016+90/1.26247696+90/1.3382255776+1000/1.3382255776
=84.90566+90/1.1236+90/1.191016+90/1.26247696+90/1.3382255776+1000/1.3382255776
=84.90566+80.09968+90/1.191016+90/1.26247696+90/1.3382255776+1000/1.3382255776
=84.90566+80.09968+75.565735+90/1.26247696+90/1.3382255776+1000/1.3382255776
=84.90566+80.09968+75.565735+71.28843+90/1.3382255776+1000/1.3382255776
=84.90566+80.09968+75.565735+71.28843+67.253236+1000/1.3382255776
=84.90566+80.09968+75.565735+71.28843+67.253236+747.258173
=165.00534+75.565735+71.28843+67.253236+747.258173
=240.571075+71.28843+67.253236+747.258173
=311.859505+67.253236+747.258173
=379.112741+747.258173
=1126.370914 答案:90/(1+6%)+90/(1+6%)^2+90/(1+6%)^3+90/(1+6%)^4+90/(1+6%)^5+1000/(1+6%)^5=1126.370914你的问题在这里没有得到解决?请到 热门难题 里面看看吧!