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 30/(1+1.5%)^11+30/(1+1.5%)^12+30/(1+1.5%)^13+30/(1+1.5%)^14+30/(1+1.5%)^15 的值.
题型:数学计算
解:
30/(1+1.5%)^11+30/(1+1.5%)^12+30/(1+1.5%)^13+30/(1+1.5%)^14+30/(1+1.5%)^15
=30/1.015^11+30/(1+1.5%)^12+30/(1+1.5%)^13+30/(1+1.5%)^14+30/(1+1.5%)^15
=30/1.015^11+30/1.015^12+30/(1+1.5%)^13+30/(1+1.5%)^14+30/(1+1.5%)^15
=30/1.015^11+30/1.015^12+30/1.015^13+30/(1+1.5%)^14+30/(1+1.5%)^15
=30/1.015^11+30/1.015^12+30/1.015^13+30/1.015^14+30/(1+1.5%)^15
=30/1.015^11+30/1.015^12+30/1.015^13+30/1.015^14+30/1.015^15
=30/1.177948937400526+30/1.015^12+30/1.015^13+30/1.015^14+30/1.015^15
=30/1.177948937400526+30/1.195618171461534+30/1.015^13+30/1.015^14+30/1.015^15
=30/1.177948937400526+30/1.195618171461534+30/1.213552444033457+30/1.015^14+30/1.015^15
=30/1.177948937400526+30/1.195618171461534+30/1.213552444033457+30/1.231755730693958+30/1.015^15
=30/1.177948937400526+30/1.195618171461534+30/1.213552444033457+30/1.231755730693958+30/1.250232066654368
=25.467997+30/1.195618171461534+30/1.213552444033457+30/1.231755730693958+30/1.250232066654368
=25.467997+25.091623+30/1.213552444033457+30/1.231755730693958+30/1.250232066654368
=25.467997+25.091623+24.72081+30/1.231755730693958+30/1.250232066654368
=25.467997+25.091623+24.72081+24.355478+30/1.250232066654368
=25.467997+25.091623+24.72081+24.355478+23.995545
=50.55962+24.72081+24.355478+23.995545
=75.28043+24.355478+23.995545
=99.635908+23.995545
=123.631453 答案:30/(1+1.5%)^11+30/(1+1.5%)^12+30/(1+1.5%)^13+30/(1+1.5%)^14+30/(1+1.5%)^15=123.631453你的问题在这里没有得到解决?请到 热门难题 里面看看吧!