#include<stdio.h>
int main(
void)
{
double value1,value2;
char op;
printf("Type in an expression:");
scanf("%lf%c%lf",&value1,&op,&
value2);
if(op==
'+')
printf("=%.2f\n",value1+
value2);
else if(op==
'-')
printf("=%.2f\n",value1-
value2);
else if(op==
'*')
printf("=%.2f\n",value1*
value2);
else if(op==
'/')
printf("=%.2f\n",value1/
value2);
else
printf("Unknown operator\n");
return 0;
}
转载于:https://www.cnblogs.com/liruijia199531/p/3357254.html
