Помогите решить 1993=1+8:(1+8:(1-8:(1+4:(1-4:(1-8:х)))))

отметь лучшего

8:(1+8:(1-8:(1+4:(1-4:(1-8х))))) =1993-18:(1+8:(1-8:(1+4:(1-4:(1-8х)))) ) =19921+8:(1-8:(1+4:(1-4:(1-8х)))) =1/2498:(1-8:(1+4:(1-4:(1-8х))) =1/249-249/2498:(8:(1-8:(1+4:(1-4:(1-8х))) =-248/2491-8:(1+4:(1-4:(1-8х)) =8 * (-249/248)1-8:(1+4:(1-4:(1-8х)) =-249/318:(1+4:(1-4:(1-8х)) =31/31+249/318:(1+4:(1-4:(1-8х)) =280/311+4:(1-4:(1-8х)) =8*(31/280)1+4:(1-4:(1-8х)) =31/354:(1-4:(1-8х)) =31/35-35/354:(1-4:(1-8х)) =-4/351-4:(1-8х) =4 * (-35/4)1-4:(1-8х) =-354:(1-8х) =1+354:(1-8х) =361-8х=1/98х=9/9-1/98х=8/9х=1/9проверка1-8*1/9=1/9 4:1/9=36 1-36=-35 4:(-35)=-4/35 1+(-4/35)=31/35 8:31/35=280/31 1-280/31=-249/318/(-249/31)=-248/249 1+(-248/249)=1/249 8:1/249=1992 1+1992=1993 1993=1993