Enwere usoro akwụkwọ ọkọlọtọ ise, nke ọ bụla nwere n'akwụkwọ ozi na nọmba: A0, A1, A2, A3, na A4. N'akụkụ aka nri ala nke etiti eserese ahụ, a ga-etinyerịrị ogwe aha aha, yana ederede dị n'ime ogwe aha kwesịrị ikwekọ na ntụzịaka nlele. Enwere ụdị eserese asatọ...
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