Expression 3: "n" minus 9floor left parenthesis, StartFraction, left parenthesis, "n" minus 1 , right parenthesis Over 9 , EndFraction , right parenthesis left brace, "x" greater than 1 , right bracen−9floorn−19x>1
3
Expression 4: "n" minus 9floor left parenthesis, StartFraction, left parenthesis, "n" minus 1 , right parenthesis Over 9 , EndFraction , right parenthesisn−9floorn−19
4
Expression 5: mod left parenthesis, "n" , 10 , right parenthesismodn,10
5
Expression 6: mod left parenthesis, "x" , 9 , right parenthesismodx,9