在线解一元方程：
直接输入任意的一元方程，然后点击“下一步”按钮，即可获得方程的解。
它支持包含数学函数的方程。
直接输入任意的一元方程，然后点击“下一步”按钮，即可获得方程的解。
它支持包含数学函数的方程。
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 60/(1+2.75%)^1+60/(1+2.75%)^2+60/(1+2.75%)^3+60/(1+2.75%)^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7 的值.
题型：数学计算
解:
60/(1+2.75%)^1+60/(1+2.75%)^2+60/(1+2.75%)^3+60/(1+2.75%)^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7
=60/1.0275^1+60/(1+2.75%)^2+60/(1+2.75%)^3+60/(1+2.75%)^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7
=60/1.0275^1+60/1.0275^2+60/(1+2.75%)^3+60/(1+2.75%)^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7
=60/1.0275^1+60/1.0275^2+60/1.0275^3+60/(1+2.75%)^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7
=60/1.0275^1+60/1.0275^2+60/1.0275^3+60/1.0275^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7
=60/1.0275^1+60/1.0275^2+60/1.0275^3+60/1.0275^4+60/1.0275^5+60/(1+2.75%)^6+60/(1+2.75%)^7
=60/1.0275^1+60/1.0275^2+60/1.0275^3+60/1.0275^4+60/1.0275^5+60/1.0275^6+60/(1+2.75%)^7
=60/1.0275^1+60/1.0275^2+60/1.0275^3+60/1.0275^4+60/1.0275^5+60/1.0275^6+60/1.0275^7
=60/1.0275+60/1.0275^2+60/1.0275^3+60/1.0275^4+60/1.0275^5+60/1.0275^6+60/1.0275^7
=60/1.0275+60/1.05575625+60/1.0275^3+60/1.0275^4+60/1.0275^5+60/1.0275^6+60/1.0275^7
=60/1.0275+60/1.05575625+60/1.084789546875+60/1.0275^4+60/1.0275^5+60/1.0275^6+60/1.0275^7
=60/1.0275+60/1.05575625+60/1.084789546875+60/1.114621259414063+60/1.0275^5+60/1.0275^6+60/1.0275^7
=60/1.0275+60/1.05575625+60/1.084789546875+60/1.114621259414063+60/1.14527334404795+60/1.0275^6+60/1.0275^7
=60/1.0275+60/1.05575625+60/1.084789546875+60/1.114621259414063+60/1.14527334404795+60/1.176768361009268+60/1.0275^7
=60/1.0275+60/1.05575625+60/1.084789546875+60/1.114621259414063+60/1.14527334404795+60/1.176768361009268+60/1.209129490937023
=58.394161+60/1.05575625+60/1.084789546875+60/1.114621259414063+60/1.14527334404795+60/1.176768361009268+60/1.209129490937023
=58.394161+56.8313+60/1.084789546875+60/1.114621259414063+60/1.14527334404795+60/1.176768361009268+60/1.209129490937023
=58.394161+56.8313+55.310267+60/1.114621259414063+60/1.14527334404795+60/1.176768361009268+60/1.209129490937023
=58.394161+56.8313+55.310267+53.829944+60/1.14527334404795+60/1.176768361009268+60/1.209129490937023
=58.394161+56.8313+55.310267+53.829944+52.38924+60/1.176768361009268+60/1.209129490937023
=58.394161+56.8313+55.310267+53.829944+52.38924+50.987095+60/1.209129490937023
=58.394161+56.8313+55.310267+53.829944+52.38924+50.987095+49.622477
=115.225461+55.310267+53.829944+52.38924+50.987095+49.622477
=170.535728+53.829944+52.38924+50.987095+49.622477
=224.365672+52.38924+50.987095+49.622477
=276.754912+50.987095+49.622477
=327.742007+49.622477
=377.364484
答案:60/(1+2.75%)^1+60/(1+2.75%)^2+60/(1+2.75%)^3+60/(1+2.75%)^4+60/(1+2.75%)^5+60/(1+2.75%)^6+60/(1+2.75%)^7=377.364484
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