package 计算题;

import java.util.Random;
import java.util.function.IntToDoubleFunction;

public class 加减法 {
	public static void main(String[] args) {
		for (int i = 0; i < 2; i++) {
			int a,b,op,op1,c;
			a = (int )(Math.random()*100);
			b = (int )(Math.random()*100);
			op = (int )(Math.random()*100);
			char op2,op3;
			op1 = (int )(Math.random()*100);
			c = (int )(Math.random()*100);
			switch (op%4) {
			case 0:op2 = '+';break;
			case 1:op2 = '-';break;
			case 2:op2 = '*';break;
			case 3:op2 = '/';break;
			}
			switch (op1%4) {
			case 0:op3 = '+';break;
			case 1:op3 = '-';break;
			case 2:op3 = '*';break;
			case 3:op3 = '/';break;
			}
			
			
			
			
			
			
			System.out.print(a);
			if (op<=25) {
				System.out.print("+");
			}
			else if (op>25&&op<=50) {
				System.out.print("-");
			}
			else if (op>50&&op<=75) {
				System.out.print("*");
			}
			else if (op>75&&op<=100) {
				System.out.print("/");
			}
			System.out.print(b);
			if (op1<=25) {
				System.out.print("+");
			}
			else if (op1>25&&op1<=50) {
				System.out.print("-");
			}
			else if (op1>50&&op1<=75) {
				System.out.print("*");
			}
			else if (op1>75&&op1<=100) {
				System.out.print("/");
			}
			System.out.print(c);
			
			System.out.println("=");
		
	
			
			
			
			
			
}

}
}