REVIEW U1-U6

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{"id":306,"type":"audio","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/35_track_160_0.mp3","width":null,"height":null,"thumbnail":""}

{"id":307,"type":"audio","url":"https://trungtamtoancau.easyedu.vn/sites/default/files/easyschool/upload/2022/07/36_track_161_0.mp3","width":null,"height":null,"thumbnail":""}