Ini adalah program request dari Larass 'z Ssatiee 
Program menggunakan Vb.net console
Soalnya Tampiklan N
N = 3
dan pada Tampilan outputnya didosnya
2 - 4 - 6 = -8
Codingnya
Imports System.Console
Module Module1
    Sub Main()
        Dim d, i, y As Integer
        Dim hasil As Integer
        hasil = 4
        Write("Masukan Banyaknya bilangan genap : ")
        i = ReadLine()
        For d = 1 To i
            y = 2 * d
            hasil = hasil - y
            If y = 2 Then
                Write("")
            Else
                Write(" - ")
            End If
            Write(y)
        Next
        Write(" = ")
        Write(hasil)
        ReadLine()
    End Sub
End Module
Soal ke 2:
Tampilkan
1
1 + 2
1 + 2 + 3
Total = 10
Codingnya :
Imports System.Console
Module Module1
    Sub Main()
        Dim v, a, b, h As Integer
        h = 0
        Write("Masukan Banyaknya Angka : ")
        v = ReadLine()
        WriteLine(" ")
        For a = 1 To v Step 1
            For b = 1 To a Step 1
                If b = 1 Then
                    Write("")
                Else
                    Write(" + ")
                End If
                h = h + b
                Write(b)
            Next b
            WriteLine(" ")
        Next a
        WriteLine("")
        Write("total= ")
        Write(h)
        ReadLine()
    End Sub
End Module
Soal 3
Soalnya Tampiklan N
N = 3
dan pada Tampilan outputnya didosnya
1 + 3 + 5 = 9
Imports System.Console
Module Module1
    Sub Main()
        Dim d, i, y As Integer
        Dim hasil As Integer
        hasil = 0
        Write("Masukan Banyaknya bilangan: ")
        i = ReadLine()
        For d = 1 To i
            y = 2 * d - 1
            If y = 1 Then
                Write("")
            Else
                Write(" + ")
            End If
            hasil = hasil + y
            Write(y)
        Next
        Write(" = ")
        Write(hasil)
        ReadLine()
    End Sub
End Module