出题.frm

普通的计算器文件们和windows中的一样

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "计算"
   ClientHeight    =   1875
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4410
   LinkTopic       =   "Form1"
   ScaleHeight     =   1875
   ScaleWidth      =   4410
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text4 
      Height          =   390
      Left            =   3120
      TabIndex        =   11
      Top             =   600
      Width           =   1095
   End
   Begin VB.CommandButton Command4 
      Caption         =   "显示答案"
      Height          =   375
      Left            =   2160
      TabIndex        =   9
      Top             =   1200
      Width           =   975
   End
   Begin VB.CommandButton Command3 
      Caption         =   "退出"
      Height          =   375
      Left            =   3240
      TabIndex        =   8
      Top             =   1200
      Width           =   975
   End
   Begin VB.CommandButton Command2 
      Caption         =   "判题"
      Height          =   375
      Left            =   1200
      TabIndex        =   7
      Top             =   1200
      Width           =   855
   End
   Begin VB.CommandButton Command1 
      Caption         =   "出题"
      Height          =   375
      Left            =   120
      TabIndex        =   6
      Top             =   1200
      Width           =   855
   End
   Begin VB.TextBox Text3 
      Height          =   375
      Left            =   840
      TabIndex        =   5
      Top             =   600
      Width           =   1095
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   3120
      TabIndex        =   4
      Top             =   120
      Width           =   1095
   End
   Begin VB.TextBox Text1 
      Height          =   375
      Left            =   840
      TabIndex        =   3
      Top             =   120
      Width           =   1095
   End
   Begin VB.Label Label4 
      Caption         =   "标准答案："
      Height          =   255
      Left            =   2040
      TabIndex        =   10
      Top             =   720
      Width           =   975
   End
   Begin VB.Label Label3 
      Caption         =   "判断："
      Height          =   375
      Left            =   120
      TabIndex        =   2
      Top             =   600
      Width           =   615
   End
   Begin VB.Label Label2 
      Caption         =   "输入结果："
      Height          =   375
      Left            =   2040
      TabIndex        =   1
      Top             =   120
      Width           =   975
   End
   Begin VB.Label Label1 
      Caption         =   "题目："
      Height          =   375
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   615
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Public a, b, x As Integer

Private Sub Command1_Click()
Randomize Timer
a = Int(Rnd * 9 + 1)
b = Int(Rnd * 9 + 1)
Text1.Text = Str$(a) + "×" + Str$(b) + "= "
Text2.Text = ""
Text3.Text = ""
Command2.Enabled = True
Command2.Default = True
Command1.Enabled = False
Text1.SetFocus
End Sub

Private Sub Command2_Click()
x = Val(Text2.Text)
If x = a * b Then
Text3.Text = "正确"
Else
Text3.Text = "错误"
End If
Command1.Enabled = True
Command1.Default = True
Command2.Enabled = False

End Sub

Private Sub Command3_Click()
End
End Sub

Private Sub Command4_Click()
Text4.Text = a * b

End Sub

Private Sub Form_Load()
Command2.Enabled = False
Text1.Text = ""
End Sub