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- #include <stdio.h>
- #include <stdlib.h>
- int main()
- {
- float a,b,s;
- char c;
- printf ("Donner les deux variables: \n");
- scanf ("%f%f",&a,&b);
- do{
- printf ("Choisissez un opérateur entre +,-,*,/ \n");
- scanf (" %c",&c);
- }while (c!='-' && c!='+' && c!='*' && c!='/');
- switch (c)
- {
- case '+':
- s=a+b;
- break;
- case '-':
- s=a-b;
- break;
- case '*':
- s=a*b;
- break;
- }
- if (b!=0 && c=='/')
- {
- s=a/b;
- }
- printf ("Votre résultat est %.2f",s);
- return 0;
- }
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