(8÷((9-7)÷6))
((8÷(9-7))×6)
(8×(6÷(9-7)))
((8×6)÷(9-7))
(6÷((9-7)÷8))
((6÷(9-7))×8)
(6×(8÷(9-7)))
((6×8)÷(9-7))