1回答

• 

  慕暖1

  2017-10-26 20:07:54

  已采纳

  #include <stdio.h>
  

  float cost(input weight,input price)

  {scanf("%f,%f\n",&weight,&price);

  float money;

  money=weight*price;

  printf("总价为：%.1f\n",money);

  return money;
  

  }

  int main(void)

  {printf("总价格为：%.1f\n",cost(10,20);

  return 0;}
  

  
  

  1 0

  qq_橙子味...

  非常感谢！

  2017-10-30 11:25:43

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