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 160/(1+10%)+110/(1+10%)^2+160/(1+10%)^3+40/(1+10%)^4 的值.
题型:数学计算
解:
160/(1+10%)+110/(1+10%)^2+160/(1+10%)^3+40/(1+10%)^4
=160/1.1+110/(1+10%)^2+160/(1+10%)^3+40/(1+10%)^4
=160/1.1+110/1.1^2+160/(1+10%)^3+40/(1+10%)^4
=160/1.1+110/1.1^2+160/1.1^3+40/(1+10%)^4
=160/1.1+110/1.1^2+160/1.1^3+40/1.1^4
=160/1.1+110/1.21+160/1.1^3+40/1.1^4
=160/1.1+110/1.21+160/1.331+40/1.1^4
=160/1.1+110/1.21+160/1.331+40/1.4641
=145.454545+110/1.21+160/1.331+40/1.4641
=145.454545+90.909091+160/1.331+40/1.4641
=145.454545+90.909091+120.210368+40/1.4641
=145.454545+90.909091+120.210368+27.320538
=236.363636+120.210368+27.320538
=356.574004+27.320538
=383.894542 答案:160/(1+10%)+110/(1+10%)^2+160/(1+10%)^3+40/(1+10%)^4=383.894542你的问题在这里没有得到解决?请到 热门难题 里面看看吧!