Bài 2:
VD: A = {1; 2; 3; 4; 6}
1 phần tử không thuộc tập hợp A là 5.
Bài 1:
x ⊂ A: Sai(vì x là phần tử)
{x; y} ∈ A: Sai(vì {x;y} là tập hợp)
Chúc học tốt!!!
VD: A = {4; 5; 6; 7; 8}
1 phần tử không thuộc tập hợp A là 3
Giải giúp mik bài 10 hai ý có vẽ hình nha ai trả lời đầy đủ nhất mik vote full
Bài 1: Viết các số sau dưới dạng lũy thừa: a, 36/49 b, 25/121 c, 81 d, -27/81 e, -125/27 CÁC BN GIÚP MIK VỚI CTLHN LUÔN, VOTE 5 SAO LUÔN
Nguyên tử B có 60 hạt, biết trong hạt nhân số hạt bằng nhau. Tìm số hạt trong B
1. He ... his parents to invest more capital in his project. A. permit B. advise C. begs D. told 2. The director misunderstood you when you began ... meeting her three times yesterday. A. X B. with C. at D. by 3. He felt sad because he behaved shamefully ... his wife and children. A. with B. towards C. toward D. on 4. You can't own this car. It ... her. A. belongs B. belongs with C. belongs to D. belongs at 5. When I die, I won't ... anything to you but for this book. A. give B. bequeath C. attribute D. attach Có kèm giải thích nữa ạ
пeadache OF do exercise in order to stay in B. shape A. look 22. Don't eat that type of fish: you have a/an A. sick C. fit D. health B. sore C. energy carrots helps you see at night? C. most D. allergy 23. Do you believe that eating A. much more B. less D. the most 24. We should try to keep everything around us clean and then flu will find it A. difficult 25. Be careful with A. what 26. Eating a lot of junk food may lead to your A. obesity 27. We should follow the advice from doctors and health A. people 28. Have a healthy C. difficultly to spread. D. difficulties B. difficulty you eat and drink. B. that C. who D. this B. fitness C. pain D. stomachache in order to keep fit. D. experts B. workers C. managers and you can enjoy your life. B. lifestyle from that diet expert is that you should eat less junk food and count your C. lifeline D. lively A. lives 29. The health calories if you are becoming fat. A. tip 30. The seafood I ate this morning makes me feel A. running IV. Complete the sentences with the words from the box C. advices all over. D. ideas B. tips C. itchy D. weak B. well hurts pain burn cough headache
giúp mình nha ⊂((・▽・))⊃, mình cần gấp ><
11. You can avoid some diseases by B. taking yourself clean. C. looking they stay more healthy. C. although on a lot of weight. C. spends A. keeping 12. The Japanese eat a lot of fish instead of meat A. but D. bringing D. so B. because 13. Rob cats a lot of fast food and he В. puts 14. We need to spend less time B. to play A. takes D. brings computer games. C. playing eat more fruit and vegetables. C. and A. play D. to playing 15.Do more exercise A. but B. or D. so your eyes and relax. D. rest 16. After working on computers for long hours, you should A. sleep 17. Watching too much television is not good A. with 18. When you have flu, you may have a cough and a A. runny B. sleep in C. wake you or your eyes. C. at B. to D. for nose. B. running C. flowing D. noisy 19. When you have a temperature, you should drink more water and rest A. most C. the most D. less B. more 20.I forgot to wear a sun hat today and I got a A. stomachache C. backache D. headache B. carache 21. We should play sports or do exercise in order to stay in B. shape D. health C. fit A. look 22. Don't eat that type of fish: you have a/an A. sick С. energy carrots helps you see at night? ALL D. allergy B. sore
Giúp mk với nha tí mk phải đi hk rồi
em hãy nêu mặt tốt và mặt xấu của quá trình công nghiệp hóa- hiện đại hóa giúp em vs ạ
vẽ con choá mặc áo khoác đi giày đặc biệt là con chó có tai dài và không có đuôi nhá
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