(987*655-321)/(666+987*654)

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(987*655-321)/(666+987*654)(987*655-321)/(666+987*654)(987*655-321)/(666+987*654)(987*655-321)/(666+

(987*655-321)/(666+987*654)
(987*655-321)/(666+987*654)

(987*655-321)/(666+987*654)
(987*655-321)/(666+987*654)
=(987*654+987-321)/(666+987*654)
=(987*654+666)/(666+987*654)
=1