using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Windows.Forms;

namespace?MathTest
{
????public?partial?class?ceshi?:?Form
????{
????????public?ceshi（）
????????{
????????????InitializeComponent（）;
????????}
????????public?
????????
????????string?flag=““;//聲明一個變量來儲存學生選擇題的信息
????????double?defen=0;
????????int?num?=?2;//控制產生隨機數的個數
????????private?void?buttonnext_Click（object?sender?EventArgs?e）
????????{
????????????Random?re?=?new?Random（）;
????????????int?sum=0;

???????????
???????????

????????????num1.Text?=?n1.ToString（）;
????????????num2.Text?=?n2.ToString（）;

????????????try
????????????{


????????????????switch?（yunsuan）
????????????????{
????????????????????case?“+“:
????????????????????????{


????????????????????????????sum?=?jiafa（n1?n2）;



????????????????????????????if?（sum.ToString（）?==?textBoxanswer.Text）//如果答案正確，rightanswer++;
????????????????????????????{
????????????????????????????????label1.ForeColor?=?Color.Blue;
????????????????????????????????label1.Text?=?“正確“;
????????????????????????????????rightanswer++;

????????????????????????????}
????????????????????????????else
????????????????????????????{
????????????????????????????????label1.ForeColor?=?Color.Red;
????????????????????????????????label1.Text?=?“錯誤“;

????????????????????????????}

????????????????????????????textBoxanswer.Text?=?““;
????????????????????????????answer++;//記錄做題個數

????????????????????????};?break;
????????????????????case?“-“:
????????????????????????{




????????????????????????????sum?=?jianfa（n1?n2）;


????????????????????????????if?（sum.ToString（）?==?textBoxanswer.Text）//如果答案正確，rightanswer++;
????????????????????????????{
????????????????????????????????rightanswer++;
????????????????????????????????label1.ForeColor?=?Color.Blue;
????????????????????????????????label1.Text?=?“正確“;

????????????????????????????}
????????????????????????????else
????????????????????????????{
????????????????????????????????label1.ForeColor?=?Color.Red;
????????????????????????????????label1.Text?=?“錯誤“;
????????????????????????????}
????????????????????????????textBoxanswer.Text?=?““;
????????????????????????????answer++;//記錄做題個數

????????????????????????};?break;
????????????????????case?“*“:
????????????????????????{


????????????????????????????sum?=?chengfa（n1?n2）;


????????????????????????????if?（sum.ToString（）?==?textBoxanswer.Text）//如果答案正確，rightanswer++;
????????????????????????????{
????????????????????????????????rightanswer++;
????????????????????????????????label1.ForeColor?=?Color.Blue;
????????????????????????????????label1.Text?=?“正確“;
????????????????????????????}
????????????????????????????else
????????????????????????????{
????????????????????????????????label1.ForeColor?=?Color.Red;
???????????????????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\MathTest\
?????文件?????????866??2012-05-30?10:26??MathTestsystem\MathTest.sln
?????文件???????37376??2012-10-01?20:04??MathTestsystem\MathTest.suo
?????文件??????????77??2012-05-26?10:44??MathTestsystem\MathTest\app.config
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\MathTest\bin\
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\MathTest\bin\Debug\
?????文件?????1690112??2012-06-10?11:55??MathTestsystem\MathTest\bin\Debug\WindowsForms8.exe
?????文件??????????77??2012-05-26?10:44??MathTestsystem\MathTest\bin\Debug\WindowsForms8.exe.config
?????文件??????128512??2012-06-10?11:55??MathTestsystem\MathTest\bin\Debug\WindowsForms8.pdb
?????文件???????11600??2012-10-01?18:04??MathTestsystem\MathTest\bin\Debug\WindowsForms8.vshost.exe
?????文件??????????77??2012-05-26?10:44??MathTestsystem\MathTest\bin\Debug\WindowsForms8.vshost.exe.config
?????文件?????????490??2010-03-17?22:39??MathTestsystem\MathTest\bin\Debug\WindowsForms8.vshost.exe.manifest
?????文件???????77286??2012-06-10?11:55??MathTestsystem\MathTest\ceshi.cs
?????文件????????9509??2012-06-10?01:25??MathTestsystem\MathTest\ceshi.Designer.cs
?????文件????????5817??2012-06-10?01:25??MathTestsystem\MathTest\ceshi.resx
?????文件????????3373??2012-06-10?11:57??MathTestsystem\MathTest\ceshiselect.cs
?????文件???????12974??2012-06-10?11:57??MathTestsystem\MathTest\ceshiselect.Designer.cs
?????文件????????5817??2012-06-10?11:57??MathTestsystem\MathTest\ceshiselect.resx
?????文件???????????1??2012-05-25?23:23??MathTestsystem\MathTest\ClassDiagram1.cd
?????文件???????????1??2012-05-26?10:48??MathTestsystem\MathTest\ClassDiagram2.cd
?????文件????????6342??2012-10-01?20:08??MathTestsystem\MathTest\denglu.cs
?????文件????????5915??2012-06-09?18:46??MathTestsystem\MathTest\denglu.Designer.cs
?????文件????????5817??2012-06-09?18:46??MathTestsystem\MathTest\denglu.resx
?????文件????????7186??2012-06-10?11:46??MathTestsystem\MathTest\gerenxinxi.cs
?????文件????????4872??2012-06-10?11:11??MathTestsystem\MathTest\gerenxinxi.Designer.cs
?????文件????????5817??2012-06-10?11:11??MathTestsystem\MathTest\gerenxinxi.resx
?????文件????????6108??2012-06-09?18:46??MathTestsystem\MathTest\MathTest.csproj
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\MathTest\obj\
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\MathTest\obj\x86\
?????目錄???????????0??2012-07-09?16:54??MathTestsystem\MathTest\obj\x86\Debug\
............此處省略47個文件信息