.求数列1,-(2的平方),3的平方,-(4的平方)...(-1)的n-1次方乘以n的平方,的前n项的和...如果不清楚再叫我...
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 07:27:27
![.求数列1,-(2的平方),3的平方,-(4的平方)...(-1)的n-1次方乘以n的平方,的前n项的和...如果不清楚再叫我...](/uploads/image/z/677143-55-3.jpg?t=.%E6%B1%82%E6%95%B0%E5%88%971%2C-%EF%BC%882%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%89%2C3%E7%9A%84%E5%B9%B3%E6%96%B9%2C-%EF%BC%884%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%89...%EF%BC%88-1%EF%BC%89%E7%9A%84n-1%E6%AC%A1%E6%96%B9%E4%B9%98%E4%BB%A5n%E7%9A%84%E5%B9%B3%E6%96%B9%2C%E7%9A%84%E5%89%8Dn%E9%A1%B9%E7%9A%84%E5%92%8C...%E5%A6%82%E6%9E%9C%E4%B8%8D%E6%B8%85%E6%A5%9A%E5%86%8D%E5%8F%AB%E6%88%91...)
xUNA}
fٝ[n
$ZiEK"
M(ꅾ ,r+8E!@"x|sOyV,=O^kf=tzi)̀ei7_رffrc="TU{k6ܚK,{VT(eY̯]sk;o{viY
^ ]rI34,]Ƕ'W3a䵄 ɢD߮~,\\bS
I18&(D,z'ga+l]!
WW;\͏0ZM։z&]nT`:L&P "8&Kt