Repetition is often used for the purpose of emphasis. The three verbs, bring...present...bring near,
demonstrate a sequence of actions for the ritual of grain offerings. The first two verbs highlight the duties of the worshipper, while the third verb that of the priest. This seems to indicate that the cereal offerings were to be offered in a specific way and in no other.
10 Ce qui restera de l'offrande sera pour Aaron et pour ses fils; c'est une chose très sainte parmi les offrandes consumées par le feu devant l'Eternel.