Bracket minus one third bracket square divided by bracket minus one third bracket cube multiplied by bracket minus one third bracket cube divided by 3 minus 2 times bracket minus 3 It's a process

Bracket minus one third bracket square divided by bracket minus one third bracket cube multiplied by bracket minus one third bracket cube divided by 3 minus 2 times bracket minus 3 It's a process

The original formula = (- 1 / 3) & # 178; △ 1 / 3) & # 179; × (1 / 3) & # 179; △ 3 ^ - 2) × (- 3)
=1/9÷(-1/27)×1/27÷1/3²×(-3)
=1/9 ×(-27)×1/27÷1/9 ×(-3)
=-3×1/27 ×9×(-3)
=-1/9 ×9×(-3)
=-1×(-3)
=3