#include
int main()
{
double a, b, c, d = 0.05;
printf("please enter your salar");
scanf_s("%lf", &a);
b = d * a;//shui
c = a - b;//shijisuode
printf("%2f\n", a);
printf("%2f\n", b);
printf("%2f\n", c);
return 0;
}
%.2lf
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