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

Có một cây gỗ dài 8m. Một bác thợ mộc muốn cưa cây gỗ đó thành những khúc gỗ dài 16dm. Biết rằng, mỗi lần cưa hết 5 phút, cưa được một khúc gỗ thì bác ấy nghỉ ngơi thêm 3 phút nữa. Hỏi bác thợ mộc cưa xong cây gỗ hết thời gian bao nhiêu phút?

tại sao in lại đặt vào trong câu sao mà không phải là by: "write the answer in pencil so that you can rub it out if you get one wrong"

1.Khai triển 125 - $8x^{3}$ 2.Tìm x a) (4x-1).(2x+3)- $8x^{2}$ = 5 b)16 - $(2x-1)^{2}$

1. Mr Backer’s children are busy (collect) ……………… stamps for their club. 2. We do not want (go) ……………… to that restaurant because it’s dirty. 3. Would you be so good as (answer) ……………… the phone when it rings? 4. They give up (gamble) ……………… long ago. 5. Try avoid (make) ……………… a lot of mistakes in your thesis. 6. They are against (make) ……………… complaints about the road construction. 7. It is no use (drink) ……………… a lot of alcoholic drinks. 8. The director (hold) ……………… another meeting next week. 9. It is difficult for me to get used to (sleep) ……………… earlier. 10. We are looking forward to (hear) ……………… from you next week.