1.order of operations
1) (9+3)÷2=
2) (2×5)-4=
3) 6-1×4=
4) 36-(4+8)÷4=
5) 50-5×(27÷3)=
6) 15+24÷(8-2)=

2.Do (12+6)÷2 and 12+6÷2 have the same answer?Explain why.


NOTE:Please answer the two questions