Question

42:7+(6+6):2-24:(5+3)

Answer 1

$42 \div 7 + (6 + 6) \div 2 - 24 \div (5 + 3) =$
$6 + 12 \div 2 - 24 \div 8$
$6 + 6 - 3 = 12 - 3 = 9$

Answer 2

1. 6+6=12
2. 5+3=8
3. 42:7=6
4. 12:2=6
5. 24:8=3
6. 6-3=3