SELECT real_cf, fonbet, real_cf_diff
FROM  `burger_cfs`
WHERE vm_id in ('047_KZ_SOFIN') and real_cf_diff = 0.00

SELECT real_cf, fonbet, real_cf_diff
FROM  `burger_cfs`
WHERE vm_id in ('047_KZ_SOFIN') and real_cf_diff = 0.00 and (1/real_cf - 1/fonbet) != 0.00