Giúp mình với mọi ngươi ơi Chứng minh hàm số sau là hàm tuần hoàn y=Sin3x là hàm tuần hoàn và tìm chu kì của nó ( T = 2π/3)

Cho `a;b;c;d ∈ NN`*,sao cho `a/b < c/d` và `a+c=b+d`.So sánh `a/b ; c/d` và `1`

10. It is a ______ to sing “Auld Lang Synge” on New Year's Eve.  * 1 điểm A. exciting B. tradition C. happy D. all correct 11. I used ______ fishing.  * 1 điểm A. enjoying B. enjoy C. to enjoying D. to enjoy 12. It's hard work looking ______ three children all day.  * 1 điểm A. after B. before C. about D. at 13. I can't stand people who are cruel ______ animals.  * 1 điểm A. with B. to C. on D. about 14. He died ______ a heart attack.  * 1 điểm A. because B. with C. of D. by 15. He was late, but fortunately his friends waited for him. * 1 điểm A. luckily B. magically C. cruelly D. lately 16. Children believe a fat, jolly man brings gifts ______ Christmas Eve.  * 1 điểm A. in B. on C. at D. when 17. I ______ gardening, but I don't have time for it now.  * 1 điểm A. use to enjoy B. used to enjoy C. used to enjoying D. use to enjoying 18. Costa Rica sounds ______ a great place for a relaxing vacation.  * 1 điểm A. as B. same C. similar D. like 19. I thought there was some coffee in the cupboard, but there's ______ there.  * 1 điểm A. no B. none C. none coffee D. any coffee 20. The factory ______ down last year.  * 1 điểm A. flamed B. turned C. fired D. burned

1.would you like a cartoon with us tonight? a.to watch b.watch c.watches 2.let stay at home and watch TV a.our b.us c.we d.ours 3.the show is for us to see. a.enough interesting b.interesting enough 4.what do you and your friends often at free time? a.do b.does 5.i home once a week to tell my parents i'm okay. a.had rung b.rang c.ring d.have rung 6.My friend,mary blond curly hair. a.have b.having c.had d.has 7.Huy looks his father a lot . a.like b.to like c.liking d.likes 8.He hater playing board games. a.He doesn't dislike playing board game b.He doens't like playing board games. c.He doesn't detest playing board games d.He doesn't want playing board games. 9.awful/an/what/house/! a.what house an awful! b.what awful an house ! c.what an awful house! 10.Her brother /rich / to /a / isn't / enough / buy /house a.Her brother isn't rich enough to buy a house b.Her brother rich isn't enough to buy a house c.Her brother isn't enough rich to buy a house d.Her brother isn't enough to rich buy a house

3.Bộ phận nào sau đây không tham gia vào quá trình tính toán và xử lí dữ liệu ? a. CPU b. RAM c. ROM d. Màn hình

1. Mary is a better cook than her sister -> Marry cooks 2. Joe takes moer regular exercise than his close friend -> Joe 3. Men are more careless drivers than women -> Men 4. Minh is a stronger swimmer than his elder brother -> Minh swims 5. we have better access to the Internet than we sued to -> We access 6. You really have a happier smile than you did yesterday -> you really

-Giải thích nhan đề Trong lòng mẹ(nghĩa bóng và nghĩa đen) -Giải thích nhan đề Tức nước vỡ bờ( nghĩa bóng và nghĩa đen)

Giúp em với ạ ! Em đang cần gấp ! Giúp em với ạ ! Em đang cần gấp !

Thực hiện phép tính ( $\frac{1}{2}$$x$ $+$ $3$) $^{3}$

Calli: Faded NL: Chắc chắn ai cũng từng nghe bài này:)