标签:ble 运算 class mat port engine main rand random
import java.util.*;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import java.util.Scanner;
public class Double {
public static void main(String[] args) {
int a1,a2,a3,a4;
int b1,b2,b3,b4;
int m,n;
int i=0;
Scanner sc=new Scanner(System.in);
String f[]=new String[4];
f[0]="+";
f[1]="-";
f[2]="*";
f[3]="/";
System.out.println("请选择10以内或100以内");
m=sc.nextInt()+1;
System.out.println("请输入要产生的题数");
n=sc.nextInt();
for(i=0;i<n;i++)
{
a1=(int)(Math.random()*m);
a2=(int)(Math.random()*m);
a3=(int)(Math.random()*m);
a4=(int)(Math.random()*m);
b1=(int)(Math.random()*4);
b2=(int)(Math.random()*4);
b3=(int)(Math.random()*4);
System.out.println("第"+(i+1)+"题:"+a1+f[b1]+a2+f[b2]+a3+f[b3]+a4+"=");
}
}
}
标签:ble 运算 class mat port engine main rand random
原文地址:https://www.cnblogs.com/zmh-980509/p/9751809.html