C语言程序设计习题集习题四：基本输入输出

main（　　）{
    float a=123.456; double b=8765.4567;
    printf("(1）%f\n",a);
    printf("(2）%14.3f\n",a);
    printf("(3）%6.4f\n",a);
    printf("(4）%lf\n",b);
    printf("(5）%14.3lf\n",b);
    printf("(6）%8.4lf\n",b);
    printf("(7）%.4f\n",b);
｝