since a few games im getting very low IP, and i dont know why, look at the picture, this is pvp mode, and in co-op mode have the same problem, why im not getting more IP???

http://imageshack.us/photo/my-images/692/85297657.jpg/

Looks pretty normal to me. :/
If you usually get more it could be because
A) First win of the day bonus gives you extra IP for your first win of the day
B) You get more IP the longer the game is.

yeah, but not that what i mean, look at the picture that I upload, there is a part of IP that im not getting,,, and before I was getting it...

You may have had a 10-win boost or a double IP boost from an earlier promotion, or Riot may give a boost to new players as a matter of course (though I don't think that's the case, I remember something similar happening to me). Either way, when it's gone it's gone unless a special event or a "sorry" IP boost pops up.

It sounds like you almost-certainly had a double-IP boost going.

I think Riot gives new players a free one, in the early levels.

They also definitely give you a bit of free RP...
... did you buy a boost and forget about it? Or buy one accidentally?

Check your purchase history just to be sure.

yes, i bought one, but when it was over i still getting those extra IP points, and from the nowhere now im not gettint anything.. but probably was a new player boost or something.. thanks anyway guys

Not 100% sure but if it's a new account I believe you get a 7 day boost (I could be wrong though, haven't made a new account in years)

It looks like (from the picture) the others were right, you're missing the "Bonus" (Normally in brackets with a + beside it - like +100) It was probably from a boost you had.

If you're saying you were still getting it even after your boost was up it could of been a mistake or possibly your first win of the day or a so many wins boost and you just met it and were unaware of it.