cho số hữu tỉ x=a-4/5 với giá trị nào của a thì : a) x là số dương? b) x là số âm? c) x không là số dương cũng không là số âm?

anh chị hãy viết một đoạn văn khoảng 200 chữ trình bày suy nghĩ về sức mạnh sự cứng cỏi của con người trong cuộc sóng

tìm x,y a)9/4:9/2.|1/2-1/2x^2|=3/4 b) (2x-1)^10.(1/4)^5=(x-1/2)^9 c) (x+2y)^2+|x-2/5|=0 giúp mk 3 câu này nha

Mng giúp em câu 9 vs ạ, em cảm ơn

VII. Match the questions in column A to the answers in column B A B 1. How old will you be on your next birthday? 2. How does he go to school? 3. Where does she work? 4. What is your address? a. On foot b. On a farm c. 13 Le Loi Street d. I’ll be 14. VIII Supply the correct verb tenses 1. We (visit) ___________ Ha Noi next week. 2. He always (walk) _________ to school. 3. They (play) ________________ soccer now. 4. ______She (have) ____________ a birthday party tomorrow? IX. Write exclamations: 1. It is an awful day: ……………………………….. 2. That girl is very beautiful: ………………………………. V. Make questions for the underlined words: (2pts) 1. Her date of birth is on October 20th. ………………………………………………………………. 2. My father is a journalist. ……………………………………………………………….. 3. His telephone number is 3 567 654. ………………………………………………………………... 4. She will be 14 on her next birthday. ……………………………………………………………….. I’m ____________________ lover. I’m fascinated by the whole animal kingdom. I loved animals when ____________________ . I used to read every book I could find on animals. I knew all the different ____________________ . The most exciting thing for me was going to the zoo. I ____________________ hours just watching the animals walk around, sit, ____________________ . When I was older, I went on a safari to Tanzania. I ____________________ animals in the wild. Everyone should do this once in their lives. Looking at animals ____________________ habitat is a real honour. Now I’m ____________________ the future of many animals. Some of my favourite animals are ____________________ dying out. We really need to change our lifestyle so our children can have ____________________ seeing animals in the wild.

Giúp mik bài 3 với bài 4 nha. Mik đang cần gấp lắm. Giải thích rõ ràng giùm mik. Cảm ơn mn nhìu

Tìm GTNN của M Tìm m để pt có hai nghiệm pb

VI. Choose the best answers: 1. ___ a lovely room! (What / Where / How) 2. Nam ___ 9 on his next birthday. (is / will / will be) 3. Her date of birth is __ November 4th. (on / at / on) 4. ____ does your father do? He is a farmer. (When / What / How) 5. We study the life of plants and animals in _____. (Physics / Biology / Geography) 6. Does Nam often play marbles __ recess. (on / at / in) 7. We are ____ some experiments. (making / dong / learning) 8. Students have two ____ each day. (20- minutes breaks /20- minute breaks/ 20- minute break)

Vẽ chibi khó tính :) Xấu = báo cáo

Nhìn j hở Vẽ đê Anime hoặc chibi He he Hình để cà khịa zui thoai