Câu trả lời:
<p>gom 2 thanh phan chinh la nguoi ban dia va nguoi nhap cu.nguoi ban dia gom nguoi Oxtraloit song o oxtraylia va cac dao xung quanh,nguoi melanedieng,nguoi nhap cu phan lon la con chau nguoi chau au.hihi<img src="https://hoc24.vn/media/cke24/plugins/smiley/images/ok.png" data-cke-saved-src="https://hoc24.vn/media/cke24/plugins/smiley/images/ok.png" title="ok" alt="ok" width="40" height="40">