Sau khi nhập thêm 7 tấn gạo thì ngày thứ nhất kho cố số tấn gạo là:
5,6+7=12,6 (tấn)
(Ngày thứ hai có phải là xuất ra 1 tấn gạo ko ạ?)
Trong kho còn lại số tấn gạo là:
12,6-1=11,6 (tấn)
Đáp số: 11,6 tấn gạo
KQ có đúng k nhỉ?? :D
I. Choose the word that has the underlined part pronounced differently from the rest. 1. A. desks B. seasons C. lamps D. eats 2. A. lemonade B. stereo C. hotel D. television 3. A. onion B. volleyball C. chocolate D. opposite 4. A. round B. couch C. routine D. housework 5. A. station B. question C. intersection D. destination II. Choose the word that differs from the rest. 1. A.monkey B.animal C.deer D.bear 2. A.fly B.jump C.walk D.soccer 3. A.teacher B.farmer C.cooker D.worker 4. A.material B.armchair C.tailor D.sewing machine 5. A.novels B.dictionaries C.books D.physics III. Choose the best option to complete each sentence. 1. How do you feel today? – I feel …………… better. A. too B. fewer C. much D. a lots 2. ……………book is this, yours or mine ? A. Who B. Whose C. Which D. Who’s 3. There is ……………girl in the class ? A. no B. not C. some D. little 4. None of the trains stop in Ha Giang. “They ……………stop in Ha Giang.” A. sometimes B. never C. always D. rarely 5. There is …………….oil in the bottle. We should buy some more. A. few B. a few C. a little D. many 6. Do you like pop music ? A. I would B. Yes, a lot C. No, I like it D. Yes, we are 7. ……………..do the buses run ? – Every twenty minutes. A. How often B. How far C. How much D. What time 8. What about …………….a cup of coffee ? A. have B. to have C. has D. having 9. On my way downtown, I ……………the noodles at a store. A. smell B. hear C. feel D. drink 10. Daisy is the …………….of the two girls. A. prettiest B. more prettier C. prettier D. pretty 11. She is a very warm woman and everyone …………….her. A. likes B. like C. liking D. to like 12. How many ……………are there in the store ? A. a radio B. an radio C. radios D. radioes 13. Ho Chi Minh is the …………….from here. A. far B. farrer C. farest D. farthest 14. It …………….heavily, we can’t do anything until it stops. A. rain B. rains C. is raining D. to rain 15. They like going ……………..at weekends. A. swim B. swimming C. swims D. to swim IV. Choose the option A, B, C, or D that needs correcting 1. We live on a nice and clean house in the country. A B C D 2. Hoa’s school have got twenty classrooms. A B C D 3. It is very dangerously to drive too fast. A B C D 4. Can you go to the store to buy some fruit to me? A B C D 5. I would like buying a packet of tea and a tube of toothpaste. A B C D V. Give the correct form of the words in CAPITAL to complete the sentences. 1. We must be ………………….when we cross the road CARE 2. A………………is working on his farm. FARM 3. My brother is a bus………………… DRIVE 4. Miss Thuy is ………………her motorbike to work. RIDE 5. Near my house there is a market. It is very………………… NOISE VI. Give the correct form of the verbs in brackets. 1. How much rice your children (eat) ……..........................……….every day? 2. Every evening, my father (watch)……......................………television.. 3. Linda (not write)………….............................…….to David at this time. 4. My parents (buy)……….............................…… a new house next month 5. Lan can (speak)……….........................……two languages. VII - Choose the item (A, B, C or D) that best fills the blank spaces Mr. Tuan is (1)…………..engineer in a big factory. He lives in a small apartment………………(2) the fifth floor of a building in Ho Chi Minh City. The factory is not near ………….(3) so he goes to work by bus. He ……………..(4) home at 7 o’clock to arrive to work at 7.45…………..(5) is Saturday morning now, and Mr. Tuan is (6) home, in bed. On Saturdays he ……………(7) at a quarter to seven. Then he sits in the living room and ………………(8) breakfast. On Saturday afternoon he ……………(9) tennis or goes swimming. On Saturday evenings he ………….(10) at home, he usually goes out. 1. A. a B. an C. the D. any 2. A. at B. in C. on D. of 3. A. house B. he’s house C. him house D. his house 4. A. leaves B. is leave C. leaving D. leave 5. A. It B. It’s C. Their D. They 6. A. in B. at C. on D. with 7. A. get up B. gets up C. getting up D. gets up 8. A. have B. haves C. has D. to have 9. A. plays B. is play C. played D. is playing 10. A. not stay B. doesn’t stay C. isn’t stay D. no staying
tìm m để x^3-m(x+1)+1=0 có 3 nghiệm phân biệt
2+3y/13=2+6y/17=2+9y/8x tìm x,y
Giúp mình câu 7 và 8 với cần gấp
Giúp mik giải bài này với nha Bài 6 Cho hai đa thức: M = 5xyz – 5x2 + 8xy + 5 và N = 3x2 + 2xyz – 8xy – 7 + y2 Tính M + N và M – N
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