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+110/(1+10%)^4 的值.
题型:数学计算
解:
160/(1+10%)+110/(1+10%)^2+160/(1+10%)^3+110/(1+10%)^4
=160/1.1+110/(1+10%)^2+160/(1+10%)^3+110/(1+10%)^4
=160/1.1+110/1.1^2+160/(1+10%)^3+110/(1+10%)^4
=160/1.1+110/1.1^2+160/1.1^3+110/(1+10%)^4
=160/1.1+110/1.1^2+160/1.1^3+110/1.1^4
=160/1.1+110/1.21+160/1.1^3+110/1.1^4
=160/1.1+110/1.21+160/1.331+110/1.1^4
=160/1.1+110/1.21+160/1.331+110/1.4641
=145.454545+110/1.21+160/1.331+110/1.4641
=145.454545+90.909091+160/1.331+110/1.4641
=145.454545+90.909091+120.210368+110/1.4641
=145.454545+90.909091+120.210368+75.13148
=236.363636+120.210368+75.13148
=356.574004+75.13148
=431.705484 答案:160/(1+10%)+110/(1+10%)^2+160/(1+10%)^3+110/(1+10%)^4=431.705484你的问题在这里没有得到解决?请到 热门难题 里面看看吧!