摘要： #includeint main(void){ int i,n; double x,sum; printf("Enter x,n:"); scanf("%lf%d",&x,&n); sum=1; for(i=1;i<=n;i++){ sum=sum*x; } printf("x^n=%.2f\n",sum); return 0;} 阅读全文

摘要： #includeint main(void){ int i,n; double x,sum; printf("Enter x,n:"); scanf("%lf%d",&x,&n); sum=1; for(i=1;iint main(void){ double num1,num2; char op; printf("Type in an expression:"); scanf("%lf%c%lf",&num1,&op,&num2); if(op=='+') p 阅读全文