Question

12+[{(9÷3)-(4÷2)}of2+(2-4-3)]​

Answer 1

Answer:

12+[{3-2}-2+(-2)]

12+[1-4]

12-3

9

Answer 2

12+[{(9÷3)-(4÷2)}of 2+(2-4-3)]

=12+[{3-2}of2+(-5)]

=12+[1×-3]

=12+(-3)

=9