in different ways

1) The ways we two deal with this kind of situation are different.
2) The way we two deal with this kind of situation are different.

3) We two deal with this kind of situation in different ways.
4) We two deal with this kind of situation in a different way.

Which of the above are correct if the idea is that each of the two of us has a different way of dealing with this kind of situation?

I don't understand why you complicated those sentences by adding "two". Let's remove it and examine those sentences.

navi tasan said:

1) The ways we two deal with this kind of situation are different.

Click to expand...

OK.

navi tasan said:

2) The way we deal with this kind of situation are different.

Click to expand...

That is ungrammatical because "way" does not agree with "are".

navi tasan said:

3) We deal with this kind of situation in different ways.

Click to expand...

OK. That is the version you need.

navi tasan said:

4) We deal with this kind of situation in a different way.

Click to expand...

That is grammatical, but it suggests "The (one) way we deal with this kind of situation is different from other ways". In other words, we employ one way, not two differing ways.