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import java.util.Scanner;
public class Operate {
public static void main(String[] args) {
int num1;
int num2;
Scanner scanner = new Scanner(System.in);
System.out.println("请你输入一个数字");
num1 = scanner.nextInt();
System.out.println("请再输入一个数字");
num2 = scanner.nextInt();
System.out.printf("%d+%d=%d\n", num1, num2, num1 + num2);
System.out.printf("%d-%d=%d\n", num1, num2, num1 - num2);
System.out.printf("%d*%d=%d\n", num1, num2, num1 * num2);
System.out.printf("%d/%d=%d\n", num1, num2, num1 / num2);
}
}