how can you get the answer 16 using these numbers 4,3,2,1=16 you can not use any number more than one time. Help!

Question

3-1=2
2x2=4
4x4=16
Bold face type show numbers in the problem.

please help

You need to post a question before we can help. Just click on the "Post a New Question" at the top of the page of questions and we shall do our best to help you.

How about 4 x 2 x (3 - 1) = 16

If the order matters but no operations are specified then how about
4^(3-2)*1=16

Oops! I think I did that wrong. I thought I could get 16, but this is wrong.

4^(3-1^2)=16 I think is what I had the first time and then changed it.

4^(3-2+1)=16 The order is preserved too.

If we can use the factorial too, then how about
4! - 3^2 + 1 = 16
4 + 3! * 2* 1 =16