Because 5+1=2+4=6, then we can make them subtract from each other and multiply it to the remaining numbers to get 0.
3*[(5+1)-(4+2)]=0
Here's another solution!
\(4^{2+3-5}-1=0\)
\(4^2-5*3-1=0\)
\(\frac{4*3}{2}-5-1=0\)
\(\frac{4+1}{5}-3+2=0\)
These are a few possibilities that I came up with.