Answer:
[tex]159[/tex]
Step-by-step explanation:
[tex]56(12 - 9) - 6 \div 3 \times 3 - 3 \\ = 56(3) - 6 \div 3 \times 3 - 3 \\ = 56 \times 3 - 2 \times 3 - 3 \\ = 168 - 6 - 3 = 159[/tex]
