加法练习.frm

一个加法练习的程序。。针对小学生做的。带家教的时候做的。很方便学习

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "加法练习"
   ClientHeight    =   2520
   ClientLeft      =   60
   ClientTop       =   450
   ClientWidth     =   2955
   LinkTopic       =   "Form1"
   ScaleHeight     =   2520
   ScaleWidth      =   2955
   StartUpPosition =   3  '窗口缺省
   Begin VB.TextBox Text3 
      Enabled         =   0   'False
      Height          =   375
      Left            =   1080
      TabIndex        =   5
      Top             =   120
      Width           =   615
   End
   Begin VB.CommandButton Command2 
      Caption         =   "确定"
      Height          =   375
      Left            =   1920
      TabIndex        =   3
      Top             =   840
      Width           =   855
   End
   Begin VB.CommandButton Command1 
      Caption         =   "出题"
      Height          =   375
      Left            =   1920
      TabIndex        =   2
      Top             =   120
      Width           =   855
   End
   Begin VB.TextBox Text2 
      Height          =   375
      Left            =   120
      TabIndex        =   1
      Top             =   840
      Width           =   1575
   End
   Begin VB.TextBox Text1 
      Enabled         =   0   'False
      Height          =   375
      Left            =   120
      TabIndex        =   0
      Top             =   120
      Width           =   615
   End
   Begin VB.Label Label2 
      Caption         =   "+"
      Height          =   255
      Left            =   840
      TabIndex        =   6
      Top             =   240
      Width           =   255
   End
   Begin VB.Label Label1 
      Caption         =   "结果"
      Height          =   735
      Left            =   120
      TabIndex        =   4
      Top             =   1560
      Width           =   2655
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Dim x, y
Private Sub Command1_Click()
Randomize
x = Int(Rnd * 89 + 10)
y = Int(Rnd * 89 + 10)
Text1 = x
Text3 = y
Text2.SetFocus
End Sub

Private Sub Command2_Click()
Dim a, b
a = Val(Text2.Text)
b = x + y

If (a = b) Then
  Label1 = "您真的很聪明啊!"
Else
  Label1 = "您的答案是错误的!请重新计算!"
End If
Text2 = ""
End Sub