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function operF(ev){ alert(ev.keyCode);}

无标题文档function operA(number){document.forms[0].upw.value += number;}function operB(fuhao){document.forms[0].upw.value += fuhao;}function operC(){document.forms[0].upw.value = eval(doc

实验中学好+乘以4++等于++好学中验实++实是多少+验是多少+中是多少++学是多少+好是多少

package com.future.test;public class test1 {public static void main(String[] args) {for(int i=0;iint a =(int)(Math.random()*10);int b = (int)(Math.random()*10);if(a>=5){System.out.printl

d.java文件内容如下import java.io.*;public class d{public static void main(String[]args){PrintWriter out;try{out=new PrintWriter("/opt/c.txt");//输出的路径和文件名}catch(FileNotFoundException e){throw new Run