Bookwrappers:

Can someone answer this question?


7 ____ 7 ____2 ___ 7 = 5

Fill in blanks with +, -, x or /.

To do this, you need to understand the order of operation:
7 - 7 x 2/7
= 7 - 2
= 5

May I know what are the tough questions as claimed by majority of the students?