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CatThienDao
2 năm trước
(x+2)(x^2-2x+4)-(x-3)(x^2+3x+9) vote 5s nha
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1. They may use this room for the classroom. * 1 point A. This room may be used for the classroom. B. This room may be use for the classroom. C. This room for the classroom may be used. D. This room for the classroom may used. 2. The children looked at the women with a red hat. * 1 point A. The woman was looked at by the children with a red hat. B. The woman was looked at the children with a red hat. C. The woman with a red hat was looked at by the children. D. The woman with a red hat. was looked by the children. 3. They have provided the victims with food and clothing. * 1 point A. Food and clothing have been provided with the victims. B. Food and clothing has been provided with the victims. C. The victims has been provided with food and clothing. D. The victims have been provided with food and clothing. 4. The teacher explains the lesson. * 1 point A. The lesson is explaining by the teacher. B. The lesson is explained by the teacher. C. The lesson is being explained by the teacher. D. The lesson is explain by the teacher. 5. Mrs. Green is cooking the food in the kitchen. * 1 point A. The food is cooked in the kitchen by Mrs. Green. B. The food is being cooked by Mrs. Green in the kitchen. C. The food is being cooked in the kitchen by Mrs. Green. D. The food is being cooked in the kitchen. 6. We had bought some raincoats before we heard the weather forecast. * 1 point A. Some raincoats has been bought before the weather forecast was heard. B. Some raincoats had been bought before the weather forecast was heard. C. Some raincoats had been bought before the weather forecast is heard. D. Some raincoats had been bought after the weather forecast was heard. 7. My father is going to repair our windows tomorrow. * 1 point A. Our windows are going to been repaired by my father tomorrow. B. Our windows are going to being repaired by my father tomorrow. C. Our windows are going to be repaired tomorrow by my father. D. Our windows are going to be repaired by my father tomorrow. 8. We were sending food and water to the flooded area at this time last year. * 1 point A. Food and water were being sent to the flooded area at this time last year. B. Food and water were being sended to the flooded area at this time last year. C. Food and water to the flooded area was being sent at this time last year. D. Food and water to the flooded were being sent area at this time last year. 9. The villagers will plant more trees to prevent some natural disasters. * 1 point A. Some natural disasters by the villagers will be planted more trees to prevent. B. Some natural disasters will be planted more trees to prevent by the villagers. C. More trees will be planted by the villagers to prevent some natural disasters. D. More trees will be planted to prevent some natural disasters by the villagers. 10. Mai had lived in Hai Phong for five years before she moved to Ha Noi three years ago. * 1 point A. After Mai has lived in Hai Phong for five years, she moved to Ha Noi three years ago. B. After Mai had lived in Hai Phong for five years, she moved to Ha Noi three years ago. C. Before Mai had lived in Hai Phong for five years, she moved to Ha Noi three years ago. D. When Mai had lived in Hai Phong for five years before she moved to Ha Noi three years ago. Các pro giúp mình với vote cho 5 sao

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