C语言编程题:输入两个整数,计算并用浮点数显示其和,差以及相除的...答:printf ("input 2 int data: ");scanf ("%d %d",&a,&b);printf("\n");printf("%d + %d = %f\n",a,b, (float)(a+b));printf("%d - %d = %f\n",a,b, (float)(a-b));// printf("%d * %d = %f\n",a,b, (float)a * b);printf("%d / %d = %f\n",a,b,...