\r\n","dateCreated":"2022-08-18T20:11:53.927Z","answerCount":8343,"author":{"@type":"Person","name":"Hoc357.edu.vn"},"acceptedAnswer":{"@type":"Answer","upvoteCount":343,"text":"Đáp án án đúng là: D","url":"https://hoc357.edu.vn/cau-hoi/tinh-bang-cach-thuan-tien-large-dfrac49-dfrac1018-d-v2203","dateCreated":"2022-08-18T20:11:53.927Z","author":{"@type":"Person","name":"Trần Thanh Hùng"}},"suggestedAnswer":[]}}
Tính bằng cách thuận tiện: \(\Large \dfrac{4}{9} + \dfrac{10}{18} - \d