(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5.(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 00:36:15
![(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5.(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)](/uploads/image/z/1079790-6-0.jpg?t=%EF%BC%880.91+1%E5%BE%AA%E7%8E%AF%2B0.82+2%E5%BE%AA%E7%8E%AF%2B0.73+3%E5%BE%AA%E7%8E%AF%2B0.64+4%E5%BE%AA%E7%8E%AF%EF%BC%89-%EF%BC%880.1+1%E5%BE%AA%E7%8E%AF%2B0.2+2%E5%BE%AA%E7%8E%AF%2B0.3+3%E5%BE%AA%E7%8E%AF%2B0.4+4%E5%BE%AA%E7%8E%AF%2B0.5.%EF%BC%880.91+1%E5%BE%AA%E7%8E%AF%2B0.82+2%E5%BE%AA%E7%8E%AF%2B0.73+3%E5%BE%AA%E7%8E%AF%2B0.64+4%E5%BE%AA%E7%8E%AF%EF%BC%89-%EF%BC%880.1+1%E5%BE%AA%E7%8E%AF%2B0.2+2%E5%BE%AA%E7%8E%AF%2B0.3+3%E5%BE%AA%E7%8E%AF%2B0.4+4%E5%BE%AA%E7%8E%AF%2B0.5+5%E5%BE%AA%E7%8E%AF%2B0.6+6%E5%BE%AA%E7%8E%AF%EF%BC%89)
(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5.(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)
(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5.
(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)过程也要
(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5.(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)
(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)
=(0.9+0.8+0.7+0.6)+(1/90+2/90+3/90+4/90)-(1/9+2/9+3/9+4/9+5/9+6/9)
=3+1/9-7/3
=7/9
原式=(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)
=(0.91 1循环-0.1 1循环)+(0.82 2循环-0.2 2循环)+(0.73 3循环-0.3 3循环)+(0.64 4循环- 0....
全部展开
原式=(0.91 1循环+0.82 2循环+0.73 3循环+0.64 4循环)-(0.1 1循环+0.2 2循环+0.3 3循环+0.4 4循环+0.5 5循环+0.6 6循环)
=(0.91 1循环-0.1 1循环)+(0.82 2循环-0.2 2循环)+(0.73 3循环-0.3 3循环)+(0.64 4循环- 0.4 4循环)-0.5 5循环-0.6 6循环
=(0.8+0.6+0.4+0.2)-0.5 5循环-0.6 6循环
=2-5/9-6/9 (0.5 5循环=5/9,0.6 6循环=6/9)
=7/9
收起