## EXERCISE 3 F

Simplify:

1. (4*-6)\div (-2)

2. 37 – (27 \div -9)

3. (-45 \div -3) + (-8)

4. [-22 \div (-8)] \div 6

5. 4-{7+(-8) \div 4}

6. 73 – {(24-20)*15}

7. (27-9)*{(-18) \div (4 \div 5)}

8. {4 + (4*5) \div (-2)-6} \div (-6)

9. 5-[3-{(24-20)*15}]

10. 73 of [85-{6*7+(23-4 of (-5))}]