Can you have a very low iq and not show any deficiency?

I'm thinking that perhaps I have a low iq, since it is difficult for me to understand and learn things, if something is not well explained in detail I may not understand it or be confused, and socially I am not very skillful either, it is difficult for me to express myself through speech now I can't think of words to say things, but I don't have the face of a retard or anything like that, nor do I have a childlike thinking typical of retards.

Can you have a very low iq and not show any deficiency?
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