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%)^26+30*(1+1.5%)^27+30*(1+1.5%)^28+30*(1+1.5%)^29+30*(1+1.5%)^30 的值.
题型:数学计算
解:
30*(1+1.5%)^26+30*(1+1.5%)^27+30*(1+1.5%)^28+30*(1+1.5%)^29+30*(1+1.5%)^30
=30*1.015^26+30*(1+1.5%)^27+30*(1+1.5%)^28+30*(1+1.5%)^29+30*(1+1.5%)^30
=30*1.015^26+30*1.015^27+30*(1+1.5%)^28+30*(1+1.5%)^29+30*(1+1.5%)^30
=30*1.015^26+30*1.015^27+30*1.015^28+30*(1+1.5%)^29+30*(1+1.5%)^30
=30*1.015^26+30*1.015^27+30*1.015^28+30*1.015^29+30*(1+1.5%)^30
=30*1.015^26+30*1.015^27+30*1.015^28+30*1.015^29+30*1.015^30
=30*1.472709534419576+30*1.015^27+30*1.015^28+30*1.015^29+30*1.015^30
=30*1.472709534419576+30*1.49480017743587+30*1.015^28+30*1.015^29+30*1.015^30
=30*1.472709534419576+30*1.49480017743587+30*1.517222180097408+30*1.015^29+30*1.015^30
=30*1.472709534419576+30*1.49480017743587+30*1.517222180097408+30*1.539980512798869+30*1.015^30
=30*1.472709534419576+30*1.49480017743587+30*1.517222180097408+30*1.539980512798869+30*1.563080220490851
=44.181286+30*1.49480017743587+30*1.517222180097408+30*1.539980512798869+30*1.563080220490851
=44.181286+44.844005+30*1.517222180097408+30*1.539980512798869+30*1.563080220490851
=44.181286+44.844005+45.516665+30*1.539980512798869+30*1.563080220490851
=44.181286+44.844005+45.516665+46.199415+30*1.563080220490851
=44.181286+44.844005+45.516665+46.199415+46.892407
=89.025291+45.516665+46.199415+46.892407
=134.541956+46.199415+46.892407
=180.741371+46.892407
=227.633778 答案:30*(1+1.5%)^26+30*(1+1.5%)^27+30*(1+1.5%)^28+30*(1+1.5%)^29+30*(1+1.5%)^30=227.633778你的问题在这里没有得到解决?请到 热门难题 里面看看吧!