Cho A=√x -1/√x+1. Tìm giá trị nhỏ nhất của biểu thức P=A(x-√x -2)

Vẽ đậu mầm NL: Ai chat vs tui ikkkkkkkkkkk

8. People will stop experiments on animals. Experiments....................................................................................................................................... 9. Ba said “ I am a teacher now.” => Ba said that ………………………………………………… 10. Have you ever swum in the sea before?=> Is this....................................................................... 11. Scientists have invented new vaccines to help people in India. New vaccines_____________________________________________________ 12. They will supply ventilations and oxygen for Covid 19 victims in India as soon as possible. Ventilations____________________________________________________________ 13. If I were her, I wouldn’t tell a lie.=> I suggest_____________________________________________ 14. If I were India’s prime Minister, I would lockdown New Dehli and Mumbai for at least 20 days. I suggest _____________________________________________________________________ 15. They haven’t seen each other for 3 years. The last _____________________________________

Exercise 1. Rewrite these sentences. 1. They will rebuild the building next year. The building....................................................................................................................................... 2. Johnny said to me “ I don’t know what Fred is doing” Johnny said to me ............................................................................................................................. 3. Someone will translate this letter into Vietnamese. This letter.......................................................................................................................................... 4. The last time we met each other was ten years ago. We haven’t ........................................................................................................................................ 5. Mai said “It is raining heavily outside.” Mai said ............................................................................................................................................. 6. Have you ever played a computer game before? Is this................................................................................................................................................. 7. Nien asked Hoa “ Do you have many new friends ?”. Nien asked Hoa..................................................................................................................................

Cho số phức z = a + bi (a,b thuộc R) thỏa mãn $a$ $+$ $(b-1)i$ = $\frac{1+3i}{1-2i}$ . Giá trị nào là môđun của z? A:1 B:5 C: $\sqrt{10}$ D: $\sqrt{5}$

Choose the word or phrase that is not correct in standard English. (0.8pt) 1. I always keep the window open so as to letting the fresh air in. 2. We should plant more trees in order reduce greenhouse gas. 3. He is going to get to work earlier in order impress the boss. 4. Lan tidied the bedrooms and cleaned the windows since yesterday. 5. This is the first time I came to Thai Lan. 6. She haven’t seen her ex-boyfriend since he went to USA. 7. Da Lat is known like a city of pines, waterfalls and flowers.

cho a,b > 0 ; a+b=1 tính gttn của Q= $\frac{1}{a^2+b^2}$ + $\frac{5}{ab}$

Giúp em v ạ em cần đáp án để so

Bạn Hoa có tổng số sách Toán và sách Tiếng Việt lớp 5 là 240 cuốn. Biết số sách Toán bằng 3/5 số sách Tiéng Việt a, Tính số sách Toán và số sách Tiếng Việt b, Bạn Hoa sử dụng 1/3 số sách Toán để ủng hộ trẻ em nghèo. tính số sách toán mà bạn Hoa ủng hộ giúp mik với, mik đang cần gấp lắmmmmmmmmmmmmmmmmmm

the environment is polluted. birds and plants die (makes) →................... (phaỉ giải thích)