chengfa

public class ddddd{

    public static void main(String[] args) {

        int m = ;

        for (int i = ; i <= m; i++) {
            for (int j = ; j <= i; j++)
            {
                int a = j;
                int b = i;
                int c = a * b;
                System.out.print(a + "*" + b + "=" + c);

                System.out.print(" ");
            }

            System.out.println();
        }
    }

}