Một đơn vị bộ đội khi xếp hàng 20, 25, 30 đều dư 15 nhưng xếp hàng 41 thì vừa đủ. Tính số người của đơn vị biết số người đơn vị nằm trong khoảng từ 550 đến 650 ( Chú ý: dùng các điều kiện chia dư). Các bạn giúp mk vs ạ.

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giúp mình vớiiii IV. Viết lại câu với từ gợi ý trong ngoặc. 1. Duc Chinh is more intelligent than Anh Duc. (as...as) → Anh Duc isn't 2. My bicycle is nice but yours is nicer. (as...as) -> My bicycle isn't 3. He is wearing a blue sweater, and she is wearing a blue sweater, too. (like) ->He is wearing a blue sweater, 4. Duy Manh and Dinh Trong are both 19 years old. (the same...as) ->Duy Manh is 5. They like pizzas. I like hamburgers. (different from) ->Their taste is 6. Rose is pretty, and her cousin is pretty, too. (as...as) ->Rose is 7. Van Hai is 22 years old. Van Thanh is 22 years old, too. (the same...as) ->Van Hau is 8. Van Lam has a harsh voice, but his sister has a sweet voice. (different from) ->Van Lam's voice is 9. His car runs fast but a race car runs faster, (not...as...as) ->His car 10. His bag is red. My bag is red, too. (like) ->The color of his bag 11. Donghyuk's house is big. June's house is blg, too. (as...as) → Donghyuk's house 12. It is hot today, it was hot yesterday. (like) ->The weather today 13. Trong Hoang teaches English. Huy Hung teaches History. (same subject) ->Trong Hoang doesn't teach 14. Duc Huy speaks English, Hung Dung speaks English, too. (same language) ->Duc Huy speaks 15. She sings beautifully. Her younger sister doesn't sing much beautifully. (as...as) ->Her younger sister doesn't sing 16. Her mother tongue is Spanish. Our mother tongue is Vietnamese. (different from) ->Our mother tongue 17. His behaviors are good, but her behaviors are not so good. (different from) ->His behaviors are 18. I am 1.6 meters tall, and so is he. (the same as) ->His height