2/1+(3/1+3/2)+(4/1+4/2+4/3)+.省略+(60/1+60/2+60/3.+省略60/58+60/59)呵呵,没分了!
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 16:18:37
![2/1+(3/1+3/2)+(4/1+4/2+4/3)+.省略+(60/1+60/2+60/3.+省略60/58+60/59)呵呵,没分了!](/uploads/image/z/42177-57-7.jpg?t=2%2F1%2B%EF%BC%883%2F1%2B3%2F2%EF%BC%89%2B%EF%BC%884%2F1%2B4%2F2%2B4%2F3%EF%BC%89%2B.%E7%9C%81%E7%95%A5%2B%EF%BC%8860%2F1%2B60%2F2%2B60%2F3.%2B%E7%9C%81%E7%95%A560%2F58%2B60%2F59%EF%BC%89%E5%91%B5%E5%91%B5%2C%E6%B2%A1%E5%88%86%E4%BA%86%21)
2/1+(3/1+3/2)+(4/1+4/2+4/3)+.省略+(60/1+60/2+60/3.+省略60/58+60/59)呵呵,没分了!
2/1+(3/1+3/2)+(4/1+4/2+4/3)+.省略+(60/1+60/2+60/3.+省略60/58+60/59)
呵呵,没分了!
2/1+(3/1+3/2)+(4/1+4/2+4/3)+.省略+(60/1+60/2+60/3.+省略60/58+60/59)呵呵,没分了!
=1/2+2/2+3/2+.+59/2
=59*(59+1)/4=885
1 2 3 4 ()
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),1/2-(3/4-3/8), 1/2+1/4-1/6 , 2/3+(1/2+1/4),
1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),1/2-(3/4-3/8),1/2+1/4-1/6 ,2/3+(1/2+1/4),
-1/2+(-1/6)-(-1/4)-2/3
1 2 3 4
1 2 3 4
1 2 3 4
1,2,3,4,
1 2 3 4
1 2 3 4
1,2,3,4,
1,2,3,4,
1,2,3,4,
1,2,3,4,
1 2 3 4
1,2,3,4,
1,2,3,4,