a) 3a(a+b)+2(a+b)² b) -2a(2a-1)-1(1-2a) c) 2(x-1)²-(x-1)³ d) 5(x-1)³-10(1-x)²

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ghi loại từ giúp mình với mình đang cần gấp

III. Hãy cho dạng số nhiều của các danh từ sau. IV. Em hãy đọc bài khóa và trả lời các câu hỏi sau. I live in a house near the sea. It is an old house, about 20 years old, and it is very small. There are two bedrooms upstairs but no bathroom. The bathroom is downstairs next to the kitchen and there is a living room where there is a lovely old fireplace. There is a garden in front of the house. The garden goes down to the beach and in spring and summer there are flowers everywhere. I live alone with my dog, Boxer but we have many visitors. Many of my friends work in the city, so they often stay with me because they want to relax. I love my house for many reasons: the garden, the flowers in summer, the fire in the winter, but the best thing is the view from my bedroom window. 1. Where is the house? __________________________________________ 2. How old is the house? __________________________________________ 3. What is in the front of the house? __________________________________________ 4. Why does the owner of the house have so many visitors? __________________________________________ 5. Why does the owner like the house? __________________________________________ V. Hãy dùng các từ gợi ý sau để viết thành câu hoàn chỉnh. 1. There/ be/ houses/ town. __________________________________________ 2. how / rice /and /many/ vegetables / he/ produce? __________________________________________ 3.I/ live/ house/ my parents/ sister. __________________________________________ 4. My/ school/ near/ house/ so/I/ go/ school/ foot. __________________________________________ 5. There/ be/ lake/ park/ near/ house. __________________________________________

I. Tìm một từ không cùng nhóm với từ còn lại. 1. A. enjoy B. like C. love D. meet 2. A. dolphin B. tiger C. elephant D. monkey 3. A. beer B. drink C. milk D. young 4. A. long B. wide C. young D. thick 5. A. fireman B. doctor C. policeman D. husband II. Chọn đáp án đúng A, B, C hoặc D để điền vào chỗ trống cho phù hợp. 1. Nhung: What _____________________? - Chi: They are playing Computer games. A. do they do B. are they doing C. they are doing D. they doing 2. It’s 7.30 p.m. My children____________ dinner in the kitchen. A. have B. having C. are having D. is having 3.______Hoa and her friend playing badminton in the schoolyard? A. Do B. Are C. Is D. Does 4. What color is________? A. her teeth B. her eyes C. her hair D. B & C 5. Nam is 1.7 m tall. His brother is 1.4 m tall. His brother is_______ A. short B. thin C. tall D. fat 6. We have two arms and two ________. They are our limbs A. eyes B.legs C. noses D. heads 7. There is a(n)_____________ on each side of our head. We hear with them A. eye B. hair C. arm D. ear 8.___ are an orange juice and a lemonade? – Six thousand dong. A. What B. How much C. How many D. How 9. Don’t drink______________ coffee before you go to bed. It’s bad for you. A. these B. some C. any D. an 10. Eat______________ and exercise regularly then you’ll be fit and healthy. A. hard B. well C. careful D. good

Cho XOY=135°,trong góc XOY vẽ tia OZ sao cho YOZ= 45°.Chứng minh OZ vuông góc với OX

a) 5/16:-1/8 -(9/4-⅗).10/11 vote 5* và ctlhn cho ai làm đúng nhất

thái độ của nhân dân khi hiệp ước hạc măng và pa tơ nốt được kí kết

chiếc thuyền im bến mọi chuyến nghe chất muối thấm dần trong thớ vỏ là phép tu từ nào

Một ô tô chở hàng từ Hà Nội lúc 7 giờ đến Hải Phòng đi với vận tốc 45km/h. Hỏi đến mấy h thì ô tô tới Hải Phòng, biết quãng đường từ Hà Nội tới Hải Phòng dài 103,5km?