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Số A được chia thành 3 số tỉ lệ theo `2/5 : 3/4 : 1/6` . Biết rằng tổng các bình phương của 3 số đó bằng `24309`. tìm A
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IV. Rewrite the following sentences so that it has the similar meaning to the first sentence. 38.She will probably be out for dinner. -> She won't ..........................................................? 39.Everybody doesn't understand what the lady over there says. -> Nobody...........................................................................................? 40.1. He doesn’t have the money and he cannot afford a new car. -> If……………………………………………………………………………………………….. 41.2. Susan felt sick because she ate 4 cream cakes. -> If………………………………………….……………………… 42.If you don't study hard, you will fail the exam. -> Unless................................................. 43.People believe that he is intelligent. => He........................................ 44.People said he had swallowed a safety pin. => He was................................... 45.Although I had never seen her before, I recognized her from a photograph. => Despite .... 46.Although he was disappointed, he tried to smile. => No matter .................................... 47.Because of their good performance, they won the first prize. -> Because their…………………………………………………………… CẦN CHÍNH XÁC 100%

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