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#include <stdio.h>
#define MACRO(A,B,C) A/4-3*B+C
int main()
{
float f = 3 * (1. + 3 / 4 - 3 * (3 - 2) + 4 + 3);
printf("%f\n", f);
float *p = &f;
f = 3 * MACRO (1.+3,3-2,4+3.);
printf("%06.2f", *p);
return 0;
}