Answers

2016-02-24T19:13:23+05:30

6*3-3+3
=6*0+3
=6*3
=18

 according to BODMAS then...

3+3*3-3+3
=3+9-3+3
=12-3+3
=9+3
=12
2 3 2
you screwed up bodmas...
you first multiply and then add/subtract
2016-02-24T19:14:18+05:30
I learned that first multiply and then add/subtract 
so, 3+3*3-3+3=12
3*3=9  , 3+9-3+3=12 
2 3 2
3+3=6, 6*3=18, 18-3=15, 15+3=18 so, 18 is the answer