PRINTF "hola%g"   1+1
PRINTF "%ghola%d" 1+1 2*2
PRINTF "%.1f %.2f %.3f" 10/3 10/4 10/7
PRINTF "%.1e %.2e %.3e %.4e" pi pi pi pi
PRINTF "%g %g %g %g %g" 1 2 3 4 5
PRINTF "%g %g %g %g %g %d" 1 2 3 4 5 6
PRINTF "%gx%gx%gx%gx%gx%dx%g" 1 2 3 4 5 6 7
PRINTF "%gx%gx%gx%gx%gx%dx%gx%d" 1 2 3 4 5 6 7 8