cho x,y,z>0 và (x+y-z)(y+z-x)(x+z-y)<0 cmr (x+y-z)(y+z-x)(z+x-y)>= xyz

Vẽ đi khó quá nhanh thì cho ctlhn đừng xấu, ẩu = bc

Giúp mik đi,5p nx mik nộp cô rồi

Nêu 10 người thực sự đang học Đại học link trang cá nhân Vẽ đậu buồn Nhanh nhất dc ctlhn + 5 sao+ c ơn Buồn quá đi mất thui

Giup em voai tra loi nhanh nhat cho cau tra loi hay nhat em dang can gap

Giúp mình bài trong ảnh với ạ, mình cảm ơn

Mn giúp mik vs mk đang cần gấp ak

Viết một câu hoàn chỉnh bằng cách sử dụng các gợi ý: 1. Our school / built / since / 2010. 2. Encouraging / child / talk / explain / new words / increase his vocabulary 3. What /you / your children/do/ now? - We/ paint/ pictures. 4. If / you / spend time / play / children / they / learn / communicate / better. 5. She / look / glamorous / her new dress / so / I / cannot take / my eyes /off / her 6. Reading / books / a child / help / develop / language. 7. Children/ tend/ play/ better/ with/ same/sex friends. 8. Our TV/ break down/ last week/ so /we / going/ buy / new one soon. 9. My daughter/very clever/ so/she/ can/read/write/ when/she/only four. 10. The older / he / get / the less likely / he / stay actively. Mong mọi người giúp đỡ ạ!

////////////////////////////////////////////////////////////////

Exercise 2: Find and correct the mistakes 1. Don’t worry so much, I will finish the report before the manager returns from his business trip. 2. My mother will be at home by the time my brother is 2 years old. 3. Son is going to settle down here before he marries his girlfriend. 4. Your order will deliver to you before 9 am on July 20. 5. Minh will find a solution to this problem before time is up. Exercise 3: Give the correct form of verbs in the brackets 1. The train __________ (to arrive) at 12:30. 2. We __________ (to have) dinner at a seaside restaurant on Sunday. 3. It __________ (to snow) in Brighton tomorrow evening. 4. On Friday at 8 o’clock I __________ (to meet) my friend. 5. Paul __________ (to fly) to London on Monday morning. 6. Wait! I __________ (to drive) you to the station. 7. The English lesson __________ (to start) at 8:45. 8. Are you still writing your essay? If you __________ (to finish) by 4pm, we can go for a walk. 9. I __________ (to see) my mother in April. 10. Look at the clouds – it __________ (to rain) in a few minutes.