Question

Expressoes 12_[(18+3.2)÷8+5.3]÷6

Answer 1

12__
[(18+6)÷8+15]÷6

12__
[(24÷8)+15]÷6

12__
(3+15)÷6

12__
18÷6

12__
3

= 4

Answer 2

 12-[(18+3.2)÷8+5.3]÷6  12-[(18+6)÷8+15]÷6  12-[24÷8+15]÷6 12-[3+15]÷6 12-[18]÷612-3 ==> 9