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 1*5/(1+5%)+2*5/(1+5%)^2+3*5/(1+5%)^3+4*5/(1+5%)^4+5*5/(1+5%)^5 的值.
题型:数学计算
解:
1*5/(1+5%)+2*5/(1+5%)^2+3*5/(1+5%)^3+4*5/(1+5%)^4+5*5/(1+5%)^5
=1*5/1.05+2*5/(1+5%)^2+3*5/(1+5%)^3+4*5/(1+5%)^4+5*5/(1+5%)^5
=1*5/1.05+2*5/1.05^2+3*5/(1+5%)^3+4*5/(1+5%)^4+5*5/(1+5%)^5
=1*5/1.05+2*5/1.05^2+3*5/1.05^3+4*5/(1+5%)^4+5*5/(1+5%)^5
=1*5/1.05+2*5/1.05^2+3*5/1.05^3+4*5/1.05^4+5*5/(1+5%)^5
=1*5/1.05+2*5/1.05^2+3*5/1.05^3+4*5/1.05^4+5*5/1.05^5
=1*5/1.05+2*5/1.1025+3*5/1.05^3+4*5/1.05^4+5*5/1.05^5
=1*5/1.05+2*5/1.1025+3*5/1.157625+4*5/1.05^4+5*5/1.05^5
=1*5/1.05+2*5/1.1025+3*5/1.157625+4*5/1.21550625+5*5/1.05^5
=1*5/1.05+2*5/1.1025+3*5/1.157625+4*5/1.21550625+5*5/1.2762815625
=5/1.05+2*5/1.1025+3*5/1.157625+4*5/1.21550625+5*5/1.2762815625
=4.761905+2*5/1.1025+3*5/1.157625+4*5/1.21550625+5*5/1.2762815625
=4.761905+10/1.1025+3*5/1.157625+4*5/1.21550625+5*5/1.2762815625
=4.761905+9.070295+3*5/1.157625+4*5/1.21550625+5*5/1.2762815625
=4.761905+9.070295+15/1.157625+4*5/1.21550625+5*5/1.2762815625
=4.761905+9.070295+12.957564+4*5/1.21550625+5*5/1.2762815625
=4.761905+9.070295+12.957564+20/1.21550625+5*5/1.2762815625
=4.761905+9.070295+12.957564+16.454049+5*5/1.2762815625
=4.761905+9.070295+12.957564+16.454049+25/1.2762815625
=4.761905+9.070295+12.957564+16.454049+19.588154
=13.8322+12.957564+16.454049+19.588154
=26.789764+16.454049+19.588154
=43.243813+19.588154
=62.831967 答案:1*5/(1+5%)+2*5/(1+5%)^2+3*5/(1+5%)^3+4*5/(1+5%)^4+5*5/(1+5%)^5=62.831967你的问题在这里没有得到解决?请到 热门难题 里面看看吧!