Решите уравнение: 1993=1+8:(1+8:(1-8:(1+4:(1-4:(1-8x))))).

Ну и уравнение!! 8:(1+8:(1-8:(1+4:(1-4:(1-8х))))) =1993-1 8:(1+8:(1-8:(1+4:(1-4:(1-8х)))) ) =1992 1+8:(1-8:(1+4:(1-4:(1-8х)))) =1/249 8:(1-8:(1+4:(1-4:(1-8х))) =1/249-249/249 8:(8:(1-8:(1+4:(1-4:(1-8х))) =-248/249 1-8:(1+4:(1-4:(1-8х)) =8 * (-249/248) 1-8:(1+4:(1-4:(1-8х)) =-249/31 8:(1+4:(1-4:(1-8х)) =31/31+249/31 8:(1+4:(1-4:(1-8х)) =280/31 1+4:(1-4:(1-8х)) =8*(31/280) 1+4:(1-4:(1-8х)) =31/35 4:(1-4:(1-8х)) =31/35-35/35 4:(1-4:(1-8х)) =-4/35 1-4:(1-8х) =4 * (-35/4) 1-4:(1-8х) =-35 4:(1-8х) =1+35 4:(1-8х) =36 1-8х=1/9 8х=9/9-1/9 8х=8/9 х=1/9