问题描述：
aver=sum/3.0与aver=sum/3有什么区别
# include
void main( )
{
int a,b,c,sum;
float aver;
scanf("%d%d%d",&a,&b,&c);
sum=a+b+c;
aver=sum/3.0;
printf("%d\n",sum);
printf("%f\n",aver);
}
# include
void main( )
{
int a,b,c,sum;
float aver;
scanf("%d%d%d",&a,&b,&c);
sum=a+b+c;
aver=sum/3.0;
printf("%d\n",sum);
printf("%f\n",aver);
}
问题解答：
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