after 13.10 update my numeric keyboard isn't working as it's should.

the numbers are fine, but when I press ∕ "slash" it's show a different / "slash" then when I press + .

The numeric keypad slash is not the "right on" for something like: "ls /home".

When I press ⋅ (it's should be an * instead ⋅).

I realise that if I hold those keys works fine.

How to solve this? I've tried to change my layout but it didn't help at all...

My Layout is a brazilian keyboard ABNT2 with a numeric keyboard from a Samsung NP550P5C

Thanks in advanced .