[" 36."999(1)/(7)+999(2)/(7)+999(3)/(7)+999(4)/(7)+999(5)/(7)+999(6)/(7)=?],[" (a) "2997]

(999(1)/(7)+999(2)/(7)+999(3)/(7)+999(4)/(7)+999(5)/(7)+999(6)/(7)) is simplified to (a)2997(b)5979(c)5994(d)5997

(12.999)^(3)=?

(999(999)/(1000)xx7)

((999)^(3)-1)/((999)^(2)-1)=?

999((57)/(99))xx99=