tìm các số nguyên n biết 5,3n-1 chia hết n-2

Tìm giới giới hạn hàm số môn toán

a) |x-2|=x b) |x-3,4|+|2,6-x|=0

em hãy viết 1 đoạn văn ngắn không quá 150 từ về lòng hiếu thuận với ông bà cha mẹ p/s : copy chép mạng cũng nên thực hiện đúng đề bài là 150 chữ không phải bài văn

Giair bài toán bằng cách lập hệ phương trình Hai trường A và B có 500 học sinh dự thi vào trung học phổ thông,tỉ lệ 84% Riêng trường A có tỉ lệ đỗ 80%,TRường B tỉ lệ là 90%.Tính số học sinh dự thi mỗi trường

Giup mk voi mk se cho 60 diem neu day du

I. Fill in the blank with a word/ phrase in the box. II. Read the following passage and answer the questions. 1. What is a popular game? 2. How long does the football match last? 3. Does a team have 12 players? 4. Who is allowed to touch the ball with hand? 5. Who conductes the game? PART 4. WRITING I. Make sentences using the words and phrases given. 1. Which/ sports/ you/ do /school? 2. Students/ my school/ take part in/ a lot/ outdoor games. 3. I/ not/ go / water / because/ I /can't/ swim. 4. Do/ she /do /aerobics/ everyday? 5. Yesterday/ he/ go/ gym /with /me. 6. Last Sunday/ I /have/ nice holiday/ some friends/ beach. 7. Who/ favourite/ sports stars? 8. How often/ your brother/ go /run? 9. Sports/ games/ play/ important/ role/ our lives. 10. Mountain/climbing/ consider/ dangerous /sport. II. Complete the second sentence so that it means the same as the sentence before it. 1. My sister swims very well. 2. I like table tennis most. 3. Sports and games play an important role in our lives. 4. We do a lot of indoor activities in summer. 5. Mai is good at basketball. III. Mistake in each sentence, try to find the mistake and correct it. 1. Our team wins in the football match last Friday. 2. How often do you practice play volleyball? 3. His team lost game because his team practiced a lot. 4. In my free time, I play running around the lake. 5. The next world cups will take place in Russia in 2018.

Giúp em với ạ Bài tập tình huống

V.give the correct form of the words in brackets 26. he drives so ...... that he often has accidents. (care) 27.i think these thin clothes are .... for cold weather. (suit) 28. the computer is one of the most marvelous ....in our modern age. (invrnt) 29.she is always worried about her children's .... (safe) 30 . we must make a .... about where to go . (decide)

hộ mình câu này với so sánh chiều cao tháp ép-phen vào ngày 1/1/1890 và ngày 1/7/1890