Biến đổi phương trình thành tb (3-m)(24-20)=2m(tb-24)
Choose the correct answer 1. He did the test ……….. I did. A. as bad as B. badder than C. more badly than D. worse than 2. A boat is ....... than a plane.A. slower B. slowest C. more slow D. more slower 3. My new sofa is ....... than the old one. A. more comfortable B. comfortably C. more comfortabler D. comfortable 4.. My sister dances ……….. than me. A. gooder B. weller C. better D. more good 5. She sings ……….. among the singers I have known. A. the most beautiful B. the more beautiful C. the most beautifully D. the more beautifully 6 She runs …… in my class. A. the slowest B. the most slow C. the slowly D. the most slowly 7. He did the test ……….. I did. A. as bad as B. badder than C. more badly than D. worse than 8. My sister dances ……….. than me. A. gooder B. weller C. better D. more good 9. Of the two shirts, this one is ................... A. the prettiest B. the most pretty C. prettier D. the prettier 10. The longer the pandemic is, .......................residence’s life becomes A. more miserable B. miserable C. the most miserable D. the more miserable 11. Your house is ................. mine. A. as bigger as B. many times as big as C. much big as D. not many times big 12. Last year it wasn’t as cold as this year. A. This year it is as colder than last year. B. This year it is colder than last year. C. This year it isn’t as cold as last year. D. This year it isn’t colder than last year. 13. She is older than me. A. I’m more younger than her. B. I’m as younger as her. C. I’m more young than her. D. I’m younger than her. 14. The test is not ………………… A. as difficult as it was last month. B. so difficult as it was last month C. more difficult as it was last month. D. Both A & B are correct 15. The Nile River is ………………… of all. A. longer B. the longest C. long D. longest 16. .................. we read, .................. we know. A. The most/ the most B. The more/ the more C. Most/ most D. More/ more 17. It gets ................... Let’s go swimming. A. hot and hot B. the more hot C. more and more hot D. hotter and hotter 18. Peter usually drives .................. Mary. A. more fast B. more fast than C. more fast D. faster 19. The problem seems to be .................. A. more serious B. more serious than C. more serious as D. more and more serious 20. Peter can not earn .................. his wife. A. as many money as B. as much money as C. as many money than D. as much money than
chứng minh: a, A giao (B\C) = (A giao B) \C b,A giao (B hợp C) = (A giao B) hợp (A giao C) c, A \ (B giao C) = ( A\B ) hợp ( A\C ) d, A \ (B hợp C) = ( A\B ) giao ( A\C ) giúp em với ạ, em đang cần gấp ạ
Tính bằng cách thuận tiện: 35x61+5x215+39x25+57x25
Giải giúp mình bài tập lí này với giúp mình ạ và kẻ hình mình cảm ơn nhiều
lm hộ e vs ạ hứa vote 5*+ctlhn!!! Lm nhanh ạ lm bài 2 thôi ạ
M.n ơi giúp em bài này với ạ bài này hơi khó em k giải được
Giúp mình bài 1 câu a và b thôi nhé, mình cảm ơn nhiều ‘“!
huheooo cíu em với Convinced that computers are the key to success, parents are insisting that children should be taught to use them in school as early as possible. They tend to fear that their children will be unemployable if they haven't mastered computer technology. The use of computers in school is becoming more and more widespread. However, many teachers welcome computers while others remain reluctant. They argue that using computers in studies is a waste that "too much money is going for computerized educational materials". However, there was a time when parents who wanted an educational present for their children used to buy a typewriter, a book or a dictionary, it is widely agreed that children should be taught computer programming: which does more de¬velop their problem-solving skills and ability to think systematically. 1. The purpose of the author when he writes the above passage is ____________. A. to explain the important of the early introduction of computers to school B. to present the different ideas of parents about spending money on computers C. to complain about the over-use of computers in school D. to prove that using computers in studies is a waste 2. Which of the following statements is true according to the passage? A. Parents fear that their children will waste much money on studying computers. B. Parents suggest that their children should study how to use computers early in school. C. Teachers are not interested in the educational value of computers. D. Teachers should learn how to use computers early. 3. Why do parents want their children to master the computer technology? A. Because they want their children to be computer experts. B. Because they are convinced that computers are best tools. C. Because they fear that their children will be unable to obtain a job. D. Because they don't want to be unemployable. 4. According to the passage, the student's skills of solving problems and their ability to think systematically can be developed by ____________. A. studying how to use computers B. using computers in studies C. computerizing educational materials D. studying computer programming in school 5. The best title for the passage is ____________. A. An Education Present B. Computers, a waste of money
Biểu diễn lực a) Lực kéo 1 thùng có phương nằm ngang , chiều từ phải sang trái Cường độ : 5000N( tỉ xích : 1cm=1000N) b) Quả bưởi đang đứng yên trên cây nặng 5kg ( tỉ xích: tùy) Giúp em với ạ , em cảm ơn anh chị Em cần gấpppp
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