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- #include<stdio.h>
- #include<stdlib.h>
- #include<math.h>
- float polinomio(float x){
- return(pow(x,2)-(5*x)+1);}
- int main(){
- FILE *entrada;
- FILE *saida;
- float n;
- entrada=fopen("reais.txt","r");
- fscanf(entrada,"%f",&n);
- while(!feof(entrada)){
- fscanf(entrada,"%f",&n);
- saida=fopen("calculof.txt","a");
- fprintf(saida,"%f\n",polinomio(n));}
- fclose(saida);
- fclose(entrada);
- system("pause");}
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