Use multiplication, division, addition and subtraction and at least one set of parentheses to write an expression that simplifies to 7, 13, or 17

Question

nali · Answer

i dont get the quesiton

anonymous · Answer

you have to write an expression out ( from scratch) that simplifies to 7,13,or 17
Im not looking for an answer, I am looking for a way to do it! 
I don't even know where to start to writing out my own expression.

nali · Answer

here is the same question answered earlier http://openstudy.com/study#/updates/4f19fb7be4b04992dd2271d0

nali · Answer

and here are some more examples http://answers.yahoo.com/question/index?qid=20120119201645AAZwyVo

anonymous · Answer

Thank you

nali · Answer

ur welcome