#include
int main(void)
{
double a=0;
double b=0;
printf("请输入a和bn");
scanf("%lf%lf",&a,&b);
printf("a+b=%fn",a+b);
printf("a-b=%fn",a-b);
printf("a*b=%fn",a*b);
printf("a/b=%fn",a/b);
return 0;
}
#include
int main(void)
{
double a=0;
double b=0;
printf("请输入a和bn");
scanf("%lf%lf",&a,&b);
printf("a+b=%fn",a+b);
printf("a-b=%fn",a-b);
printf("a*b=%fn",a*b);
printf("a/b=%fn",a/b);
return 0;
}
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