#include <stdio.h>
int operaNum (float num1, char x, float num2){
float soma;
if(x=='*'){
soma = num1*num2;
}else if(x=='+'){
soma = num1+num2;
}else if(x=='-'){
soma = num1-num2;
}else if(x=='/'){
soma = num1/num2;
}
return soma;
}
int main(){
float a, c, operac;
char b;
scanf("%f %c %f", &a
, &b
, &c
); operac = operaNum(a, b, c);
return 0;
}
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