Private Sub Command1_Click()

    Dim Pi As Single, t  As Single

    Dim n As Integer, s As Integer

    Pi = 0

    t = 1: n = 1:s =1

    Do While Abs(t) >= 0.0001

        Pi = Pi + t

        n = {#blank#}1{#/blank#}

        s= {#blank#}2{#/blank#}

        t = s *1 / n

    Loop

    Text2.Text ={#blank#}3{#/blank#}

End Sub

For i = 2 To 6

    For j = 1 To i - 1

        If a(j) <= a(i) And d(j) >= d(i) Then

            d(i) =d(j)+1 : pre(i) = j

        End If

    Next j

Next i

max = 0 : k = 0

For i = 1 To 6

    If d(i)>max Then max = d(i) : k = i

Next i

Do While k <> 0

    st = a(k) & ","& st

    k=pre(k)

Loop

Text1.Text = Mid(st, 1, Len(st) - 1)

数组元素a（1）到a(6)的值依次为“2，6，5，9，8，8”，数组d各元素的值初始化为1，数组pre各元素的值初始化为0，经过该程序段“加工”后，Text1中的值是(   )