c语言:输入俩个复数的实部与虚部,计算俩个复数之积,求解为何错了?声明...答:include<stdio.h>float result_real,result_imag;void complex_prod(float x1, float y1,float x2,float y2) ; //声明函数int main(void){float imag1,imag2,real1,real2;printf("enter 1st complex number(real and imaginary):");scanf("%f%f",&real1,&imag1);printf("enter 2nd ...